305cafc8c8
As it's only incremented here and then reset to 0, avoids integer division, which can be be expensive on CPUs without this instruction such as pre-ARMv7 classic ARMs.
2146 lines
53 KiB
C++
2146 lines
53 KiB
C++
/*****************************************************************************\
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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This file is licensed under the Snes9x License.
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For further information, consult the LICENSE file in the root directory.
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\*****************************************************************************/
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#include "snes9x.h"
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#include "ppu.h"
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#include "tile.h"
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#include "controls.h"
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#include "crosshairs.h"
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#include "cheats.h"
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#include "movie.h"
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#include "screenshot.h"
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#include "font.h"
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#include "display.h"
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extern struct SCheatData Cheat;
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extern struct SLineData LineData[240];
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extern struct SLineMatrixData LineMatrixData[240];
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void S9xComputeClipWindows (void);
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static int font_width = 8, font_height = 9;
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void (*S9xCustomDisplayString) (const char *, int, int, bool, int) = NULL;
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static void SetupOBJ (void);
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static void DrawOBJS (int);
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static void DisplayTime (void);
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static void DisplayFrameRate (void);
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static void DisplayPressedKeys (void);
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static void DisplayWatchedAddresses (void);
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static void DisplayStringFromBottom (const char *, int, int, bool);
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static void DrawBackground (int, uint8, uint8);
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static void DrawBackgroundMosaic (int, uint8, uint8);
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static void DrawBackgroundOffset (int, uint8, uint8, int);
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static void DrawBackgroundOffsetMosaic (int, uint8, uint8, int);
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static inline void DrawBackgroundMode7 (int, void (*DrawMath) (uint32, uint32, int), void (*DrawNomath) (uint32, uint32, int), int);
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static inline void DrawBackdrop (void);
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static inline void RenderScreen (bool8);
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static uint16 get_crosshair_color (uint8);
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static void S9xDisplayStringType (const char *, int, int, bool, int);
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#define TILE_PLUS(t, x) (((t) & 0xfc00) | ((t + x) & 0x3ff))
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bool8 S9xGraphicsInit (void)
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{
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S9xInitTileRenderer();
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memset(BlackColourMap, 0, 256 * sizeof(uint16));
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GFX.RealPPL = GFX.Pitch >> 1;
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IPPU.OBJChanged = TRUE;
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Settings.BG_Forced = 0;
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S9xFixColourBrightness();
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S9xBuildDirectColourMaps();
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GFX.ZERO = (uint16 *) malloc(sizeof(uint16) * 0x10000);
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GFX.ScreenSize = GFX.Pitch / 2 * SNES_HEIGHT_EXTENDED * (Settings.SupportHiRes ? 2 : 1);
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GFX.SubScreen = (uint16 *) malloc(GFX.ScreenSize * sizeof(uint16));
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GFX.ZBuffer = (uint8 *) malloc(GFX.ScreenSize);
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GFX.SubZBuffer = (uint8 *) malloc(GFX.ScreenSize);
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if (!GFX.ZERO || !GFX.SubScreen || !GFX.ZBuffer || !GFX.SubZBuffer)
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{
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S9xGraphicsDeinit();
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return (FALSE);
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}
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// Lookup table for 1/2 color subtraction
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memset(GFX.ZERO, 0, 0x10000 * sizeof(uint16));
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for (uint32 r = 0; r <= MAX_RED; r++)
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{
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uint32 r2 = r;
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if (r2 & 0x10)
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r2 &= ~0x10;
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else
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r2 = 0;
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for (uint32 g = 0; g <= MAX_GREEN; g++)
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{
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uint32 g2 = g;
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if (g2 & GREEN_HI_BIT)
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g2 &= ~GREEN_HI_BIT;
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else
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g2 = 0;
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for (uint32 b = 0; b <= MAX_BLUE; b++)
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{
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uint32 b2 = b;
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if (b2 & 0x10)
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b2 &= ~0x10;
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else
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b2 = 0;
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GFX.ZERO[BUILD_PIXEL2(r, g, b)] = BUILD_PIXEL2(r2, g2, b2);
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GFX.ZERO[BUILD_PIXEL2(r, g, b) & ~ALPHA_BITS_MASK] = BUILD_PIXEL2(r2, g2, b2);
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}
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}
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}
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return (TRUE);
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}
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void S9xGraphicsDeinit (void)
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{
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if (GFX.ZERO) { free(GFX.ZERO); GFX.ZERO = NULL; }
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if (GFX.SubScreen) { free(GFX.SubScreen); GFX.SubScreen = NULL; }
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if (GFX.ZBuffer) { free(GFX.ZBuffer); GFX.ZBuffer = NULL; }
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if (GFX.SubZBuffer) { free(GFX.SubZBuffer); GFX.SubZBuffer = NULL; }
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}
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void S9xGraphicsScreenResize (void)
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{
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IPPU.MaxBrightness = PPU.Brightness;
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IPPU.Interlace = Memory.FillRAM[0x2133] & 1;
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IPPU.InterlaceOBJ = Memory.FillRAM[0x2133] & 2;
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IPPU.PseudoHires = Memory.FillRAM[0x2133] & 8;
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if (Settings.SupportHiRes && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires))
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{
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GFX.RealPPL = GFX.Pitch >> 1;
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IPPU.DoubleWidthPixels = TRUE;
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IPPU.RenderedScreenWidth = SNES_WIDTH << 1;
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}
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else
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{
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#ifdef USE_OPENGL
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if (Settings.OpenGLEnable)
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GFX.RealPPL = SNES_WIDTH;
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else
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#endif
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GFX.RealPPL = GFX.Pitch >> 1;
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IPPU.DoubleWidthPixels = FALSE;
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IPPU.RenderedScreenWidth = SNES_WIDTH;
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}
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if (Settings.SupportHiRes && IPPU.Interlace)
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{
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GFX.PPL = GFX.RealPPL << 1;
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IPPU.DoubleHeightPixels = TRUE;
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IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
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GFX.DoInterlace++;
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}
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else
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{
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GFX.PPL = GFX.RealPPL;
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IPPU.DoubleHeightPixels = FALSE;
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IPPU.RenderedScreenHeight = PPU.ScreenHeight;
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}
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}
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void S9xBuildDirectColourMaps (void)
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{
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IPPU.XB = mul_brightness[PPU.Brightness];
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for (uint32 p = 0; p < 8; p++)
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for (uint32 c = 0; c < 256; c++)
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DirectColourMaps[p][c] = BUILD_PIXEL(IPPU.XB[((c & 7) << 2) | ((p & 1) << 1)], IPPU.XB[((c & 0x38) >> 1) | (p & 2)], IPPU.XB[((c & 0xc0) >> 3) | (p & 4)]);
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}
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void S9xStartScreenRefresh (void)
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{
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GFX.InterlaceFrame = !GFX.InterlaceFrame;
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if (GFX.DoInterlace)
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GFX.DoInterlace--;
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if (IPPU.RenderThisFrame)
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{
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if (!GFX.DoInterlace || !GFX.InterlaceFrame)
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{
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if (!S9xInitUpdate())
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{
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IPPU.RenderThisFrame = FALSE;
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return;
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}
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S9xGraphicsScreenResize();
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IPPU.RenderedFramesCount++;
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}
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PPU.MosaicStart = 0;
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PPU.RecomputeClipWindows = TRUE;
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IPPU.PreviousLine = IPPU.CurrentLine = 0;
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memset(GFX.ZBuffer, 0, GFX.ScreenSize);
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memset(GFX.SubZBuffer, 0, GFX.ScreenSize);
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}
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if (++IPPU.FrameCount == (uint32)Memory.ROMFramesPerSecond)
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{
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IPPU.DisplayedRenderedFrameCount = IPPU.RenderedFramesCount;
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IPPU.RenderedFramesCount = 0;
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IPPU.FrameCount = 0;
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}
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if (GFX.InfoStringTimeout > 0 && --GFX.InfoStringTimeout == 0)
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GFX.InfoString = NULL;
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IPPU.TotalEmulatedFrames++;
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}
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void S9xEndScreenRefresh (void)
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{
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if (IPPU.RenderThisFrame)
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{
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FLUSH_REDRAW();
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if (GFX.DoInterlace && GFX.InterlaceFrame == 0)
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{
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S9xControlEOF();
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S9xContinueUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
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}
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else
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{
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if (IPPU.ColorsChanged)
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{
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uint32 saved = PPU.CGDATA[0];
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IPPU.ColorsChanged = FALSE;
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PPU.CGDATA[0] = saved;
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}
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S9xControlEOF();
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if (Settings.TakeScreenshot)
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S9xDoScreenshot(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
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if (Settings.AutoDisplayMessages)
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S9xDisplayMessages(GFX.Screen, GFX.RealPPL, IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight, 1);
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S9xDeinitUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
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}
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}
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else
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S9xControlEOF();
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S9xUpdateCheatsInMemory ();
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#ifdef DEBUGGER
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if (CPU.Flags & FRAME_ADVANCE_FLAG)
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{
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if (ICPU.FrameAdvanceCount)
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{
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ICPU.FrameAdvanceCount--;
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IPPU.RenderThisFrame = TRUE;
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IPPU.FrameSkip = 0;
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}
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else
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{
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CPU.Flags &= ~FRAME_ADVANCE_FLAG;
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CPU.Flags |= DEBUG_MODE_FLAG;
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}
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}
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#endif
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if (CPU.SRAMModified)
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{
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if (!CPU.AutoSaveTimer)
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{
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if (!(CPU.AutoSaveTimer = Settings.AutoSaveDelay * Memory.ROMFramesPerSecond))
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CPU.SRAMModified = FALSE;
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}
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else
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{
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if (!--CPU.AutoSaveTimer)
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{
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S9xAutoSaveSRAM();
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CPU.SRAMModified = FALSE;
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}
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}
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}
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}
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void RenderLine (uint8 C)
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{
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if (IPPU.RenderThisFrame)
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{
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LineData[C].BG[0].VOffset = PPU.BG[0].VOffset + 1;
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LineData[C].BG[0].HOffset = PPU.BG[0].HOffset;
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LineData[C].BG[1].VOffset = PPU.BG[1].VOffset + 1;
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LineData[C].BG[1].HOffset = PPU.BG[1].HOffset;
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if (PPU.BGMode == 7)
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{
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struct SLineMatrixData *p = &LineMatrixData[C];
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p->MatrixA = PPU.MatrixA;
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p->MatrixB = PPU.MatrixB;
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p->MatrixC = PPU.MatrixC;
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p->MatrixD = PPU.MatrixD;
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p->CentreX = PPU.CentreX;
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p->CentreY = PPU.CentreY;
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p->M7HOFS = PPU.M7HOFS;
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p->M7VOFS = PPU.M7VOFS;
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}
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else
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{
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LineData[C].BG[2].VOffset = PPU.BG[2].VOffset + 1;
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LineData[C].BG[2].HOffset = PPU.BG[2].HOffset;
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LineData[C].BG[3].VOffset = PPU.BG[3].VOffset + 1;
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LineData[C].BG[3].HOffset = PPU.BG[3].HOffset;
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}
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IPPU.CurrentLine = C + 1;
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}
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else
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{
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// if we're not rendering this frame, we still need to update this
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// XXX: Check ForceBlank? Or anything else?
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if (IPPU.OBJChanged)
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SetupOBJ();
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PPU.RangeTimeOver |= GFX.OBJLines[C].RTOFlags;
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}
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}
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static inline void RenderScreen (bool8 sub)
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{
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uint8 BGActive;
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int D;
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if (!sub)
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{
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GFX.S = GFX.Screen;
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if (GFX.DoInterlace && GFX.InterlaceFrame)
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GFX.S += GFX.RealPPL;
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GFX.DB = GFX.ZBuffer;
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GFX.Clip = IPPU.Clip[0];
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BGActive = Memory.FillRAM[0x212c] & ~Settings.BG_Forced;
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D = 32;
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}
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else
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{
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GFX.S = GFX.SubScreen;
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GFX.DB = GFX.SubZBuffer;
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GFX.Clip = IPPU.Clip[1];
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BGActive = Memory.FillRAM[0x212d] & ~Settings.BG_Forced;
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D = (Memory.FillRAM[0x2130] & 2) << 4; // 'do math' depth flag
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}
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if (BGActive & 0x10)
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{
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BG.TileAddress = PPU.OBJNameBase;
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BG.NameSelect = PPU.OBJNameSelect;
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BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 0x10);
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BG.StartPalette = 128;
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S9xSelectTileConverter(4, FALSE, sub, FALSE);
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S9xSelectTileRenderers(PPU.BGMode, sub, TRUE);
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DrawOBJS(D + 4);
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}
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BG.NameSelect = 0;
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S9xSelectTileRenderers(PPU.BGMode, sub, FALSE);
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#define DO_BG(n, pal, depth, hires, offset, Zh, Zl, voffoff) \
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if (BGActive & (1 << n)) \
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{ \
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BG.StartPalette = pal; \
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BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & (1 << n)); \
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BG.TileSizeH = (!hires && PPU.BG[n].BGSize) ? 16 : 8; \
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BG.TileSizeV = (PPU.BG[n].BGSize) ? 16 : 8; \
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S9xSelectTileConverter(depth, hires, sub, PPU.BGMosaic[n]); \
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\
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if (offset) \
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{ \
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BG.OffsetSizeH = (!hires && PPU.BG[2].BGSize) ? 16 : 8; \
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BG.OffsetSizeV = (PPU.BG[2].BGSize) ? 16 : 8; \
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\
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if (PPU.BGMosaic[n] && (hires || PPU.Mosaic > 1)) \
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DrawBackgroundOffsetMosaic(n, D + Zh, D + Zl, voffoff); \
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else \
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DrawBackgroundOffset(n, D + Zh, D + Zl, voffoff); \
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} \
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else \
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{ \
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if (PPU.BGMosaic[n] && (hires || PPU.Mosaic > 1)) \
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DrawBackgroundMosaic(n, D + Zh, D + Zl); \
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else \
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DrawBackground(n, D + Zh, D + Zl); \
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} \
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}
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switch (PPU.BGMode)
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{
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case 0:
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DO_BG(0, 0, 2, FALSE, FALSE, 15, 11, 0);
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DO_BG(1, 32, 2, FALSE, FALSE, 14, 10, 0);
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DO_BG(2, 64, 2, FALSE, FALSE, 7, 3, 0);
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DO_BG(3, 96, 2, FALSE, FALSE, 6, 2, 0);
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break;
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case 1:
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DO_BG(0, 0, 4, FALSE, FALSE, 15, 11, 0);
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DO_BG(1, 0, 4, FALSE, FALSE, 14, 10, 0);
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DO_BG(2, 0, 2, FALSE, FALSE, (PPU.BG3Priority ? 17 : 7), 3, 0);
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break;
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case 2:
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DO_BG(0, 0, 4, FALSE, TRUE, 15, 7, 8);
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DO_BG(1, 0, 4, FALSE, TRUE, 11, 3, 8);
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break;
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case 3:
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DO_BG(0, 0, 8, FALSE, FALSE, 15, 7, 0);
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DO_BG(1, 0, 4, FALSE, FALSE, 11, 3, 0);
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break;
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case 4:
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DO_BG(0, 0, 8, FALSE, TRUE, 15, 7, 0);
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DO_BG(1, 0, 2, FALSE, TRUE, 11, 3, 0);
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break;
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case 5:
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DO_BG(0, 0, 4, TRUE, FALSE, 15, 7, 0);
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DO_BG(1, 0, 2, TRUE, FALSE, 11, 3, 0);
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break;
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|
case 6:
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DO_BG(0, 0, 4, TRUE, TRUE, 15, 7, 8);
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break;
|
|
|
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case 7:
|
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if (BGActive & 0x01)
|
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{
|
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BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 1);
|
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DrawBackgroundMode7(0, GFX.DrawMode7BG1Math, GFX.DrawMode7BG1Nomath, D);
|
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}
|
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|
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if ((Memory.FillRAM[0x2133] & 0x40) && (BGActive & 0x02))
|
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{
|
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BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 2);
|
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DrawBackgroundMode7(1, GFX.DrawMode7BG2Math, GFX.DrawMode7BG2Nomath, D);
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}
|
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|
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break;
|
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}
|
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|
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#undef DO_BG
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|
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BG.EnableMath = !sub && (Memory.FillRAM[0x2131] & 0x20);
|
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|
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DrawBackdrop();
|
|
}
|
|
|
|
void S9xUpdateScreen (void)
|
|
{
|
|
if (IPPU.OBJChanged || IPPU.InterlaceOBJ)
|
|
SetupOBJ();
|
|
|
|
// XXX: Check ForceBlank? Or anything else?
|
|
PPU.RangeTimeOver |= GFX.OBJLines[GFX.EndY].RTOFlags;
|
|
|
|
GFX.StartY = IPPU.PreviousLine;
|
|
if ((GFX.EndY = IPPU.CurrentLine - 1) >= PPU.ScreenHeight)
|
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GFX.EndY = PPU.ScreenHeight - 1;
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|
|
|
if (!PPU.ForcedBlanking)
|
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{
|
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// If force blank, may as well completely skip all this. We only did
|
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// the OBJ because (AFAWK) the RTO flags are updated even during force-blank.
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|
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if (PPU.RecomputeClipWindows)
|
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{
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S9xComputeClipWindows();
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PPU.RecomputeClipWindows = FALSE;
|
|
}
|
|
|
|
if (Settings.SupportHiRes)
|
|
{
|
|
if (!IPPU.DoubleWidthPixels && (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires))
|
|
{
|
|
#ifdef USE_OPENGL
|
|
if (Settings.OpenGLEnable && GFX.RealPPL == 256)
|
|
{
|
|
// Have to back out of the speed up hack where the low res.
|
|
// SNES image was rendered into a 256x239 sized buffer,
|
|
// ignoring the true, larger size of the buffer.
|
|
GFX.RealPPL = GFX.Pitch >> 1;
|
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|
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for (int32 y = (int32) GFX.StartY - 1; y >= 0; y--)
|
|
{
|
|
uint16 *p = GFX.Screen + y * GFX.PPL + 255;
|
|
uint16 *q = GFX.Screen + y * GFX.RealPPL + 510;
|
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|
|
for (int x = 255; x >= 0; x--, p--, q -= 2)
|
|
*q = *(q + 1) = *p;
|
|
}
|
|
|
|
GFX.PPL = GFX.RealPPL; // = GFX.Pitch >> 1 above
|
|
}
|
|
else
|
|
#endif
|
|
// Have to back out of the regular speed hack
|
|
for (uint32 y = 0; y < GFX.StartY; y++)
|
|
{
|
|
uint16 *p = GFX.Screen + y * GFX.PPL + 255;
|
|
uint16 *q = GFX.Screen + y * GFX.PPL + 510;
|
|
|
|
for (int x = 255; x >= 0; x--, p--, q -= 2)
|
|
*q = *(q + 1) = *p;
|
|
}
|
|
|
|
IPPU.DoubleWidthPixels = TRUE;
|
|
IPPU.RenderedScreenWidth = 512;
|
|
}
|
|
|
|
if (!IPPU.DoubleHeightPixels && IPPU.Interlace && (PPU.BGMode == 5 || PPU.BGMode == 6))
|
|
{
|
|
IPPU.DoubleHeightPixels = TRUE;
|
|
IPPU.RenderedScreenHeight = PPU.ScreenHeight << 1;
|
|
GFX.PPL = GFX.RealPPL << 1;
|
|
GFX.DoInterlace = 2;
|
|
|
|
for (int32 y = (int32) GFX.StartY - 2; y >= 0; y--)
|
|
memmove(GFX.Screen + (y + 1) * GFX.PPL, GFX.Screen + y * GFX.RealPPL, GFX.PPL * sizeof(uint16));
|
|
}
|
|
}
|
|
|
|
if ((Memory.FillRAM[0x2130] & 0x30) != 0x30 && (Memory.FillRAM[0x2131] & 0x3f))
|
|
GFX.FixedColour = BUILD_PIXEL(IPPU.XB[PPU.FixedColourRed], IPPU.XB[PPU.FixedColourGreen], IPPU.XB[PPU.FixedColourBlue]);
|
|
|
|
if (PPU.BGMode == 5 || PPU.BGMode == 6 || IPPU.PseudoHires ||
|
|
((Memory.FillRAM[0x2130] & 0x30) != 0x30 && (Memory.FillRAM[0x2130] & 2) && (Memory.FillRAM[0x2131] & 0x3f) && (Memory.FillRAM[0x212d] & 0x1f)))
|
|
// If hires (Mode 5/6 or pseudo-hires) or math is to be done
|
|
// involving the subscreen, then we need to render the subscreen...
|
|
RenderScreen(TRUE);
|
|
|
|
RenderScreen(FALSE);
|
|
}
|
|
else
|
|
{
|
|
const uint16 black = BUILD_PIXEL(0, 0, 0);
|
|
|
|
GFX.S = GFX.Screen + GFX.StartY * GFX.PPL;
|
|
if (GFX.DoInterlace && GFX.InterlaceFrame)
|
|
GFX.S += GFX.RealPPL;
|
|
|
|
for (uint32 l = GFX.StartY; l <= GFX.EndY; l++, GFX.S += GFX.PPL)
|
|
for (int x = 0; x < IPPU.RenderedScreenWidth; x++)
|
|
GFX.S[x] = black;
|
|
}
|
|
|
|
IPPU.PreviousLine = IPPU.CurrentLine;
|
|
}
|
|
|
|
static void SetupOBJ (void)
|
|
{
|
|
int SmallWidth, SmallHeight, LargeWidth, LargeHeight;
|
|
|
|
switch (PPU.OBJSizeSelect)
|
|
{
|
|
case 0:
|
|
SmallWidth = SmallHeight = 8;
|
|
LargeWidth = LargeHeight = 16;
|
|
break;
|
|
|
|
case 1:
|
|
SmallWidth = SmallHeight = 8;
|
|
LargeWidth = LargeHeight = 32;
|
|
break;
|
|
|
|
case 2:
|
|
SmallWidth = SmallHeight = 8;
|
|
LargeWidth = LargeHeight = 64;
|
|
break;
|
|
|
|
case 3:
|
|
SmallWidth = SmallHeight = 16;
|
|
LargeWidth = LargeHeight = 32;
|
|
break;
|
|
|
|
case 4:
|
|
SmallWidth = SmallHeight = 16;
|
|
LargeWidth = LargeHeight = 64;
|
|
break;
|
|
|
|
case 5:
|
|
default:
|
|
SmallWidth = SmallHeight = 32;
|
|
LargeWidth = LargeHeight = 64;
|
|
break;
|
|
|
|
case 6:
|
|
SmallWidth = 16; SmallHeight = 32;
|
|
LargeWidth = 32; LargeHeight = 64;
|
|
break;
|
|
|
|
case 7:
|
|
SmallWidth = 16; SmallHeight = 32;
|
|
LargeWidth = LargeHeight = 32;
|
|
break;
|
|
}
|
|
|
|
int inc = IPPU.InterlaceOBJ ? 2 : 1;
|
|
|
|
int startline = (IPPU.InterlaceOBJ && GFX.InterlaceFrame) ? 1 : 0;
|
|
|
|
// OK, we have three cases here. Either there's no priority, priority is
|
|
// normal FirstSprite, or priority is FirstSprite+Y. The first two are
|
|
// easy, the last is somewhat more ... interesting. So we split them up.
|
|
|
|
int Height;
|
|
uint8 S;
|
|
int sprite_limit = (Settings.MaxSpriteTilesPerLine == 128) ? 128 : 32;
|
|
|
|
if (!PPU.OAMPriorityRotation || !(PPU.OAMFlip & PPU.OAMAddr & 1)) // normal case
|
|
{
|
|
uint8 LineOBJ[SNES_HEIGHT_EXTENDED];
|
|
memset(LineOBJ, 0, sizeof(LineOBJ));
|
|
|
|
for (int i = 0; i < SNES_HEIGHT_EXTENDED; i++)
|
|
{
|
|
GFX.OBJLines[i].RTOFlags = 0;
|
|
GFX.OBJLines[i].Tiles = Settings.MaxSpriteTilesPerLine;
|
|
for (int j = 0; j < sprite_limit; j++)
|
|
GFX.OBJLines[i].OBJ[j].Sprite = -1;
|
|
}
|
|
|
|
uint8 FirstSprite = PPU.FirstSprite;
|
|
S = FirstSprite;
|
|
|
|
do
|
|
{
|
|
if (PPU.OBJ[S].Size)
|
|
{
|
|
GFX.OBJWidths[S] = LargeWidth;
|
|
Height = LargeHeight;
|
|
}
|
|
else
|
|
{
|
|
GFX.OBJWidths[S] = SmallWidth;
|
|
Height = SmallHeight;
|
|
}
|
|
|
|
int HPos = PPU.OBJ[S].HPos;
|
|
if (HPos == -256)
|
|
HPos = 0;
|
|
|
|
if (HPos > -GFX.OBJWidths[S] && HPos <= 256)
|
|
{
|
|
if (HPos < 0)
|
|
GFX.OBJVisibleTiles[S] = (GFX.OBJWidths[S] + HPos + 7) >> 3;
|
|
else
|
|
if (HPos + GFX.OBJWidths[S] > 255)
|
|
GFX.OBJVisibleTiles[S] = (256 - HPos + 7) >> 3;
|
|
else
|
|
GFX.OBJVisibleTiles[S] = GFX.OBJWidths[S] >> 3;
|
|
|
|
for (uint8 line = startline, Y = (uint8) (PPU.OBJ[S].VPos & 0xff); line < Height; Y++, line += inc)
|
|
{
|
|
if (Y >= SNES_HEIGHT_EXTENDED)
|
|
continue;
|
|
|
|
if (LineOBJ[Y] >= sprite_limit)
|
|
{
|
|
GFX.OBJLines[Y].RTOFlags |= 0x40;
|
|
continue;
|
|
}
|
|
|
|
GFX.OBJLines[Y].Tiles -= GFX.OBJVisibleTiles[S];
|
|
if (GFX.OBJLines[Y].Tiles < 0)
|
|
GFX.OBJLines[Y].RTOFlags |= 0x80;
|
|
|
|
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Sprite = S;
|
|
if (PPU.OBJ[S].VFlip)
|
|
// Yes, Width not Height. It so happens that the
|
|
// sprites with H=2*W flip as two WxW sprites.
|
|
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Line = line ^ (GFX.OBJWidths[S] - 1);
|
|
else
|
|
GFX.OBJLines[Y].OBJ[LineOBJ[Y]].Line = line;
|
|
|
|
LineOBJ[Y]++;
|
|
}
|
|
}
|
|
|
|
S = (S + 1) & 0x7f;
|
|
} while (S != FirstSprite);
|
|
|
|
for (int Y = 1; Y < SNES_HEIGHT_EXTENDED; Y++)
|
|
GFX.OBJLines[Y].RTOFlags |= GFX.OBJLines[Y - 1].RTOFlags;
|
|
}
|
|
else // evil FirstSprite+Y case
|
|
{
|
|
// First, find out which sprites are on which lines
|
|
uint8 OBJOnLine[SNES_HEIGHT_EXTENDED][128];
|
|
// memset(OBJOnLine, 0, sizeof(OBJOnLine));
|
|
/* Hold on here, that's a lot of bytes to initialise at once!
|
|
* So we only initialise them per line, as needed. [Neb]
|
|
* Bonus: We can quickly avoid looping if a line has no OBJs.
|
|
*/
|
|
bool8 AnyOBJOnLine[SNES_HEIGHT_EXTENDED];
|
|
memset(AnyOBJOnLine, FALSE, sizeof(AnyOBJOnLine)); // better
|
|
|
|
for (S = 0; S < 128; S++)
|
|
{
|
|
if (PPU.OBJ[S].Size)
|
|
{
|
|
GFX.OBJWidths[S] = LargeWidth;
|
|
Height = LargeHeight;
|
|
}
|
|
else
|
|
{
|
|
GFX.OBJWidths[S] = SmallWidth;
|
|
Height = SmallHeight;
|
|
}
|
|
|
|
int HPos = PPU.OBJ[S].HPos;
|
|
if (HPos == -256)
|
|
HPos = 256;
|
|
|
|
if (HPos > -GFX.OBJWidths[S] && HPos <= 256)
|
|
{
|
|
if (HPos < 0)
|
|
GFX.OBJVisibleTiles[S] = (GFX.OBJWidths[S] + HPos + 7) >> 3;
|
|
else
|
|
if (HPos + GFX.OBJWidths[S] >= 257)
|
|
GFX.OBJVisibleTiles[S] = (257 - HPos + 7) >> 3;
|
|
else
|
|
GFX.OBJVisibleTiles[S] = GFX.OBJWidths[S] >> 3;
|
|
|
|
for (uint8 line = startline, Y = (uint8) (PPU.OBJ[S].VPos & 0xff); line < Height; Y++, line += inc)
|
|
{
|
|
if (Y >= SNES_HEIGHT_EXTENDED)
|
|
continue;
|
|
|
|
if (!AnyOBJOnLine[Y]) {
|
|
memset(OBJOnLine[Y], 0, sizeof(OBJOnLine[Y]));
|
|
AnyOBJOnLine[Y] = TRUE;
|
|
}
|
|
|
|
if (PPU.OBJ[S].VFlip)
|
|
// Yes, Width not Height. It so happens that the
|
|
// sprites with H=2*W flip as two WxW sprites.
|
|
OBJOnLine[Y][S] = (line ^ (GFX.OBJWidths[S] - 1)) | 0x80;
|
|
else
|
|
OBJOnLine[Y][S] = line | 0x80;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now go through and pull out those OBJ that are actually visible.
|
|
int j;
|
|
for (int Y = 0; Y < SNES_HEIGHT_EXTENDED; Y++)
|
|
{
|
|
GFX.OBJLines[Y].RTOFlags = Y ? GFX.OBJLines[Y - 1].RTOFlags : 0;
|
|
GFX.OBJLines[Y].Tiles = Settings.MaxSpriteTilesPerLine;
|
|
|
|
uint8 FirstSprite = (PPU.FirstSprite + Y) & 0x7f;
|
|
S = FirstSprite;
|
|
j = 0;
|
|
|
|
if (AnyOBJOnLine[Y])
|
|
{
|
|
do
|
|
{
|
|
if (OBJOnLine[Y][S])
|
|
{
|
|
if (j >= sprite_limit)
|
|
{
|
|
GFX.OBJLines[Y].RTOFlags |= 0x40;
|
|
break;
|
|
}
|
|
|
|
GFX.OBJLines[Y].Tiles -= GFX.OBJVisibleTiles[S];
|
|
if (GFX.OBJLines[Y].Tiles < 0)
|
|
GFX.OBJLines[Y].RTOFlags |= 0x80;
|
|
GFX.OBJLines[Y].OBJ[j].Sprite = S;
|
|
GFX.OBJLines[Y].OBJ[j++].Line = OBJOnLine[Y][S] & ~0x80;
|
|
}
|
|
|
|
S = (S + 1) & 0x7f;
|
|
} while (S != FirstSprite);
|
|
}
|
|
|
|
if (j < sprite_limit)
|
|
GFX.OBJLines[Y].OBJ[j].Sprite = -1;
|
|
}
|
|
}
|
|
|
|
IPPU.OBJChanged = FALSE;
|
|
}
|
|
|
|
#if defined(__GNUC__) && !defined(__clang__)
|
|
#pragma GCC push_options
|
|
#pragma GCC optimize ("no-tree-vrp")
|
|
#endif
|
|
static void DrawOBJS (int D)
|
|
{
|
|
void (*DrawTile) (uint32, uint32, uint32, uint32) = NULL;
|
|
void (*DrawClippedTile) (uint32, uint32, uint32, uint32, uint32, uint32) = NULL;
|
|
|
|
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
|
|
BG.InterlaceLine = GFX.InterlaceFrame ? 8 : 0;
|
|
GFX.Z1 = 2;
|
|
int sprite_limit = (Settings.MaxSpriteTilesPerLine == 128) ? 128 : 32;
|
|
|
|
for (uint32 Y = GFX.StartY, Offset = Y * GFX.PPL; Y <= GFX.EndY; Y++, Offset += GFX.PPL)
|
|
{
|
|
int I = 0;
|
|
int tiles = GFX.OBJLines[Y].Tiles;
|
|
|
|
for (int S = GFX.OBJLines[Y].OBJ[I].Sprite; S >= 0 && I < sprite_limit; S = GFX.OBJLines[Y].OBJ[++I].Sprite)
|
|
{
|
|
tiles += GFX.OBJVisibleTiles[S];
|
|
if (tiles <= 0)
|
|
continue;
|
|
|
|
int BaseTile = (((GFX.OBJLines[Y].OBJ[I].Line << 1) + (PPU.OBJ[S].Name & 0xf0)) & 0xf0) | (PPU.OBJ[S].Name & 0x100) | (PPU.OBJ[S].Palette << 10);
|
|
int TileX = PPU.OBJ[S].Name & 0x0f;
|
|
int TileLine = (GFX.OBJLines[Y].OBJ[I].Line & 7) * 8;
|
|
int TileInc = 1;
|
|
|
|
if (PPU.OBJ[S].HFlip)
|
|
{
|
|
TileX = (TileX + (GFX.OBJWidths[S] >> 3) - 1) & 0x0f;
|
|
BaseTile |= H_FLIP;
|
|
TileInc = -1;
|
|
}
|
|
|
|
GFX.Z2 = D + PPU.OBJ[S].Priority * 4;
|
|
|
|
int DrawMode = 3;
|
|
int clip = 0, next_clip = -1000;
|
|
int X = PPU.OBJ[S].HPos;
|
|
if (X == -256)
|
|
X = 256;
|
|
|
|
for (int t = tiles, O = Offset + X * PixWidth; X <= 256 && X < PPU.OBJ[S].HPos + GFX.OBJWidths[S]; TileX = (TileX + TileInc) & 0x0f, X += 8, O += 8 * PixWidth)
|
|
{
|
|
if (X < -7 || --t < 0 || X == 256)
|
|
continue;
|
|
|
|
for (int x = X; x < X + 8;)
|
|
{
|
|
if (x >= next_clip)
|
|
{
|
|
for (; clip < GFX.Clip[4].Count && GFX.Clip[4].Left[clip] <= x; clip++) ;
|
|
if (clip == 0 || x >= GFX.Clip[4].Right[clip - 1])
|
|
{
|
|
DrawMode = 0;
|
|
next_clip = ((clip < GFX.Clip[4].Count) ? GFX.Clip[4].Left[clip] : 1000);
|
|
}
|
|
else
|
|
{
|
|
DrawMode = GFX.Clip[4].DrawMode[clip - 1];
|
|
next_clip = GFX.Clip[4].Right[clip - 1];
|
|
GFX.ClipColors = !(DrawMode & 1);
|
|
|
|
if (BG.EnableMath && (PPU.OBJ[S].Palette & 4) && (DrawMode & 2))
|
|
{
|
|
DrawTile = GFX.DrawTileMath;
|
|
DrawClippedTile = GFX.DrawClippedTileMath;
|
|
}
|
|
else
|
|
{
|
|
DrawTile = GFX.DrawTileNomath;
|
|
DrawClippedTile = GFX.DrawClippedTileNomath;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (x == X && x + 8 < next_clip)
|
|
{
|
|
if (DrawMode)
|
|
DrawTile(BaseTile | TileX, O, TileLine, 1);
|
|
x += 8;
|
|
}
|
|
else
|
|
{
|
|
int w = (next_clip <= X + 8) ? next_clip - x : X + 8 - x;
|
|
if (DrawMode)
|
|
DrawClippedTile(BaseTile | TileX, O, x - X, w, TileLine, 1);
|
|
x += w;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#if defined(__GNUC__) && !defined(__clang__)
|
|
#pragma GCC pop_options
|
|
#endif
|
|
|
|
static void DrawBackground (int bg, uint8 Zh, uint8 Zl)
|
|
{
|
|
BG.TileAddress = PPU.BG[bg].NameBase << 1;
|
|
|
|
uint32 Tile;
|
|
uint16 *SC0, *SC1, *SC2, *SC3;
|
|
|
|
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
|
|
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
|
|
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC1 -= 0x8000;
|
|
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
|
|
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC2 -= 0x8000;
|
|
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
|
|
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC3 -= 0x8000;
|
|
|
|
uint32 Lines;
|
|
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
|
|
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
|
|
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
|
|
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
|
|
|
|
void (*DrawTile) (uint32, uint32, uint32, uint32);
|
|
void (*DrawClippedTile) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
|
|
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
|
|
{
|
|
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
|
|
|
|
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
|
|
{
|
|
DrawTile = GFX.DrawTileMath;
|
|
DrawClippedTile = GFX.DrawClippedTileMath;
|
|
}
|
|
else
|
|
{
|
|
DrawTile = GFX.DrawTileNomath;
|
|
DrawClippedTile = GFX.DrawClippedTileNomath;
|
|
}
|
|
|
|
for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y += Lines)
|
|
{
|
|
uint32 Y2 = HiresInterlace ? Y * 2 + GFX.InterlaceFrame : Y;
|
|
uint32 VOffset = LineData[Y].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
|
|
uint32 HOffset = LineData[Y].BG[bg].HOffset;
|
|
int VirtAlign = ((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0);
|
|
|
|
for (Lines = 1; Lines < GFX.LinesPerTile - VirtAlign; Lines++)
|
|
{
|
|
if ((VOffset != LineData[Y + Lines].BG[bg].VOffset) || (HOffset != LineData[Y + Lines].BG[bg].HOffset))
|
|
break;
|
|
}
|
|
|
|
if (Y + Lines > GFX.EndY)
|
|
Lines = GFX.EndY - Y + 1;
|
|
|
|
VirtAlign <<= 3;
|
|
|
|
uint32 t1, t2;
|
|
uint32 TilemapRow = (VOffset + Y2) >> OffsetShift;
|
|
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
|
|
|
|
if ((VOffset + Y2) & 8)
|
|
{
|
|
t1 = 16;
|
|
t2 = 0;
|
|
}
|
|
else
|
|
{
|
|
t1 = 0;
|
|
t2 = 16;
|
|
}
|
|
|
|
uint16 *b1, *b2;
|
|
|
|
if (TilemapRow & 0x20)
|
|
{
|
|
b1 = SC2;
|
|
b2 = SC3;
|
|
}
|
|
else
|
|
{
|
|
b1 = SC0;
|
|
b2 = SC1;
|
|
}
|
|
|
|
b1 += (TilemapRow & 0x1f) << 5;
|
|
b2 += (TilemapRow & 0x1f) << 5;
|
|
|
|
uint32 Left = GFX.Clip[bg].Left[clip];
|
|
uint32 Right = GFX.Clip[bg].Right[clip];
|
|
uint32 Offset = Left * PixWidth + Y * GFX.PPL;
|
|
uint32 HPos = (HOffset + Left) & OffsetMask;
|
|
uint32 HTile = HPos >> 3;
|
|
uint16 *t;
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
if (HTile > 31)
|
|
t = b2 + (HTile & 0x1f);
|
|
else
|
|
t = b1 + HTile;
|
|
}
|
|
else
|
|
{
|
|
if (HTile > 63)
|
|
t = b2 + ((HTile >> 1) & 0x1f);
|
|
else
|
|
t = b1 + (HTile >> 1);
|
|
}
|
|
|
|
uint32 Width = Right - Left;
|
|
|
|
if (HPos & 7)
|
|
{
|
|
uint32 l = HPos & 7;
|
|
uint32 w = 8 - l;
|
|
if (w > Width)
|
|
w = Width;
|
|
|
|
Offset -= l * PixWidth;
|
|
Tile = READ_WORD(t);
|
|
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
|
|
|
|
if (BG.TileSizeV == 16)
|
|
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
DrawClippedTile(Tile, Offset, l, w, VirtAlign, Lines);
|
|
t++;
|
|
if (HTile == 31)
|
|
t = b2;
|
|
else
|
|
if (HTile == 63)
|
|
t = b1;
|
|
}
|
|
else
|
|
{
|
|
if (!(Tile & H_FLIP))
|
|
DrawClippedTile(TILE_PLUS(Tile, (HTile & 1)), Offset, l, w, VirtAlign, Lines);
|
|
else
|
|
DrawClippedTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, l, w, VirtAlign, Lines);
|
|
t += HTile & 1;
|
|
if (HTile == 63)
|
|
t = b2;
|
|
else
|
|
if (HTile == 127)
|
|
t = b1;
|
|
}
|
|
|
|
HTile++;
|
|
Offset += 8 * PixWidth;
|
|
Width -= w;
|
|
}
|
|
|
|
while (Width >= 8)
|
|
{
|
|
Tile = READ_WORD(t);
|
|
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
|
|
|
|
if (BG.TileSizeV == 16)
|
|
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
DrawTile(Tile, Offset, VirtAlign, Lines);
|
|
t++;
|
|
if (HTile == 31)
|
|
t = b2;
|
|
else
|
|
if (HTile == 63)
|
|
t = b1;
|
|
}
|
|
else
|
|
{
|
|
if (!(Tile & H_FLIP))
|
|
DrawTile(TILE_PLUS(Tile, (HTile & 1)), Offset, VirtAlign, Lines);
|
|
else
|
|
DrawTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, VirtAlign, Lines);
|
|
t += HTile & 1;
|
|
if (HTile == 63)
|
|
t = b2;
|
|
else
|
|
if (HTile == 127)
|
|
t = b1;
|
|
}
|
|
|
|
HTile++;
|
|
Offset += 8 * PixWidth;
|
|
Width -= 8;
|
|
}
|
|
|
|
if (Width)
|
|
{
|
|
Tile = READ_WORD(t);
|
|
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
|
|
|
|
if (BG.TileSizeV == 16)
|
|
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
|
|
|
|
if (BG.TileSizeH == 8)
|
|
DrawClippedTile(Tile, Offset, 0, Width, VirtAlign, Lines);
|
|
else
|
|
{
|
|
if (!(Tile & H_FLIP))
|
|
DrawClippedTile(TILE_PLUS(Tile, (HTile & 1)), Offset, 0, Width, VirtAlign, Lines);
|
|
else
|
|
DrawClippedTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, 0, Width, VirtAlign, Lines);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void DrawBackgroundMosaic (int bg, uint8 Zh, uint8 Zl)
|
|
{
|
|
BG.TileAddress = PPU.BG[bg].NameBase << 1;
|
|
|
|
uint32 Tile;
|
|
uint16 *SC0, *SC1, *SC2, *SC3;
|
|
|
|
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
|
|
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
|
|
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC1 -= 0x8000;
|
|
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
|
|
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC2 -= 0x8000;
|
|
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
|
|
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC3 -= 0x8000;
|
|
|
|
int Lines;
|
|
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
|
|
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
|
|
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
|
|
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
|
|
|
|
void (*DrawPix) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
|
|
int MosaicStart = ((uint32) GFX.StartY - PPU.MosaicStart) % PPU.Mosaic;
|
|
|
|
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
|
|
{
|
|
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
|
|
|
|
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
|
|
DrawPix = GFX.DrawMosaicPixelMath;
|
|
else
|
|
DrawPix = GFX.DrawMosaicPixelNomath;
|
|
|
|
for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
|
|
{
|
|
uint32 Y2 = HiresInterlace ? Y * 2 : Y;
|
|
uint32 VOffset = LineData[Y + MosaicStart].BG[bg].VOffset + (HiresInterlace ? 1 : 0);
|
|
uint32 HOffset = LineData[Y + MosaicStart].BG[bg].HOffset;
|
|
|
|
Lines = PPU.Mosaic - MosaicStart;
|
|
if (Y + MosaicStart + Lines > GFX.EndY)
|
|
Lines = GFX.EndY - Y - MosaicStart + 1;
|
|
|
|
int VirtAlign = (((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0)) << 3;
|
|
|
|
uint32 t1, t2;
|
|
uint32 TilemapRow = (VOffset + Y2) >> OffsetShift;
|
|
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
|
|
|
|
if ((VOffset + Y2) & 8)
|
|
{
|
|
t1 = 16;
|
|
t2 = 0;
|
|
}
|
|
else
|
|
{
|
|
t1 = 0;
|
|
t2 = 16;
|
|
}
|
|
|
|
uint16 *b1, *b2;
|
|
|
|
if (TilemapRow & 0x20)
|
|
{
|
|
b1 = SC2;
|
|
b2 = SC3;
|
|
}
|
|
else
|
|
{
|
|
b1 = SC0;
|
|
b2 = SC1;
|
|
}
|
|
|
|
b1 += (TilemapRow & 0x1f) << 5;
|
|
b2 += (TilemapRow & 0x1f) << 5;
|
|
|
|
uint32 Left = GFX.Clip[bg].Left[clip];
|
|
uint32 Right = GFX.Clip[bg].Right[clip];
|
|
uint32 Offset = Left * PixWidth + (Y + MosaicStart) * GFX.PPL;
|
|
uint32 HPos = (HOffset + Left - (Left % PPU.Mosaic)) & OffsetMask;
|
|
uint32 HTile = HPos >> 3;
|
|
uint16 *t;
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
if (HTile > 31)
|
|
t = b2 + (HTile & 0x1f);
|
|
else
|
|
t = b1 + HTile;
|
|
}
|
|
else
|
|
{
|
|
if (HTile > 63)
|
|
t = b2 + ((HTile >> 1) & 0x1f);
|
|
else
|
|
t = b1 + (HTile >> 1);
|
|
}
|
|
|
|
uint32 Width = Right - Left;
|
|
|
|
HPos &= 7;
|
|
|
|
while (Left < Right)
|
|
{
|
|
uint32 w = PPU.Mosaic - (Left % PPU.Mosaic);
|
|
if (w > Width)
|
|
w = Width;
|
|
|
|
Tile = READ_WORD(t);
|
|
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
|
|
|
|
if (BG.TileSizeV == 16)
|
|
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
|
|
|
|
if (BG.TileSizeH == 8)
|
|
DrawPix(Tile, Offset, VirtAlign, HPos & 7, w, Lines);
|
|
else
|
|
{
|
|
if (!(Tile & H_FLIP))
|
|
DrawPix(TILE_PLUS(Tile, (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
|
|
else
|
|
DrawPix(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
|
|
}
|
|
|
|
HPos += PPU.Mosaic;
|
|
|
|
while (HPos >= 8)
|
|
{
|
|
HPos -= 8;
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
t++;
|
|
if (HTile == 31)
|
|
t = b2;
|
|
else
|
|
if (HTile == 63)
|
|
t = b1;
|
|
}
|
|
else
|
|
{
|
|
t += HTile & 1;
|
|
if (HTile == 63)
|
|
t = b2;
|
|
else
|
|
if (HTile == 127)
|
|
t = b1;
|
|
}
|
|
|
|
HTile++;
|
|
}
|
|
|
|
Offset += w * PixWidth;
|
|
Width -= w;
|
|
Left += w;
|
|
}
|
|
|
|
MosaicStart = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void DrawBackgroundOffset (int bg, uint8 Zh, uint8 Zl, int VOffOff)
|
|
{
|
|
BG.TileAddress = PPU.BG[bg].NameBase << 1;
|
|
|
|
uint32 Tile;
|
|
uint16 *SC0, *SC1, *SC2, *SC3;
|
|
uint16 *BPS0, *BPS1, *BPS2, *BPS3;
|
|
|
|
BPS0 = (uint16 *) &Memory.VRAM[PPU.BG[2].SCBase << 1];
|
|
BPS1 = (PPU.BG[2].SCSize & 1) ? BPS0 + 1024 : BPS0;
|
|
if (BPS1 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
BPS1 -= 0x8000;
|
|
BPS2 = (PPU.BG[2].SCSize & 2) ? BPS1 + 1024 : BPS0;
|
|
if (BPS2 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
BPS2 -= 0x8000;
|
|
BPS3 = (PPU.BG[2].SCSize & 1) ? BPS2 + 1024 : BPS2;
|
|
if (BPS3 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
BPS3 -= 0x8000;
|
|
|
|
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
|
|
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
|
|
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC1 -= 0x8000;
|
|
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
|
|
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC2 -= 0x8000;
|
|
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
|
|
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC3 -= 0x8000;
|
|
|
|
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
|
|
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
|
|
int Offset2Mask = (BG.OffsetSizeH == 16) ? 0x3ff : 0x1ff;
|
|
int Offset2Shift = (BG.OffsetSizeV == 16) ? 4 : 3;
|
|
int OffsetEnableMask = 0x2000 << bg;
|
|
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
|
|
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
|
|
|
|
void (*DrawClippedTile) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
|
|
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
|
|
{
|
|
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
|
|
|
|
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
|
|
{
|
|
DrawClippedTile = GFX.DrawClippedTileMath;
|
|
}
|
|
else
|
|
{
|
|
DrawClippedTile = GFX.DrawClippedTileNomath;
|
|
}
|
|
|
|
for (uint32 Y = GFX.StartY; Y <= GFX.EndY; Y++)
|
|
{
|
|
uint32 Y2 = HiresInterlace ? Y * 2 + GFX.InterlaceFrame : Y;
|
|
uint32 VOff = LineData[Y].BG[2].VOffset - 1;
|
|
uint32 HOff = LineData[Y].BG[2].HOffset;
|
|
uint32 HOffsetRow = VOff >> Offset2Shift;
|
|
uint32 VOffsetRow = (VOff + VOffOff) >> Offset2Shift;
|
|
uint16 *s, *s1, *s2;
|
|
|
|
if (HOffsetRow & 0x20)
|
|
{
|
|
s1 = BPS2;
|
|
s2 = BPS3;
|
|
}
|
|
else
|
|
{
|
|
s1 = BPS0;
|
|
s2 = BPS1;
|
|
}
|
|
|
|
s1 += (HOffsetRow & 0x1f) << 5;
|
|
s2 += (HOffsetRow & 0x1f) << 5;
|
|
s = ((VOffsetRow & 0x20) ? BPS2 : BPS0) + ((VOffsetRow & 0x1f) << 5);
|
|
int32 VOffsetOffset = s - s1;
|
|
|
|
uint32 Left = GFX.Clip[bg].Left[clip];
|
|
uint32 Right = GFX.Clip[bg].Right[clip];
|
|
uint32 Offset = Left * PixWidth + Y * GFX.PPL;
|
|
uint32 HScroll = LineData[Y].BG[bg].HOffset;
|
|
bool8 left_edge = (Left < (8 - (HScroll & 7)));
|
|
uint32 Width = Right - Left;
|
|
|
|
while (Left < Right)
|
|
{
|
|
uint32 VOffset, HOffset;
|
|
|
|
if (left_edge)
|
|
{
|
|
// SNES cannot do OPT for leftmost tile column
|
|
VOffset = LineData[Y].BG[bg].VOffset;
|
|
HOffset = HScroll;
|
|
left_edge = FALSE;
|
|
}
|
|
else
|
|
{
|
|
int HOffTile = ((HOff + Left - 1) & Offset2Mask) >> 3;
|
|
|
|
if (BG.OffsetSizeH == 8)
|
|
{
|
|
if (HOffTile > 31)
|
|
s = s2 + (HOffTile & 0x1f);
|
|
else
|
|
s = s1 + HOffTile;
|
|
}
|
|
else
|
|
{
|
|
if (HOffTile > 63)
|
|
s = s2 + ((HOffTile >> 1) & 0x1f);
|
|
else
|
|
s = s1 + (HOffTile >> 1);
|
|
}
|
|
|
|
uint16 HCellOffset = READ_WORD(s);
|
|
uint16 VCellOffset;
|
|
|
|
if (VOffOff)
|
|
VCellOffset = READ_WORD(s + VOffsetOffset);
|
|
else
|
|
{
|
|
if (HCellOffset & 0x8000)
|
|
{
|
|
VCellOffset = HCellOffset;
|
|
HCellOffset = 0;
|
|
}
|
|
else
|
|
VCellOffset = 0;
|
|
}
|
|
|
|
if (VCellOffset & OffsetEnableMask)
|
|
VOffset = VCellOffset + 1;
|
|
else
|
|
VOffset = LineData[Y].BG[bg].VOffset;
|
|
|
|
if (HCellOffset & OffsetEnableMask)
|
|
HOffset = (HCellOffset & ~7) | (HScroll & 7);
|
|
else
|
|
HOffset = HScroll;
|
|
}
|
|
|
|
if (HiresInterlace)
|
|
VOffset++;
|
|
|
|
uint32 t1, t2;
|
|
int VirtAlign = (((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0)) << 3;
|
|
int TilemapRow = (VOffset + Y2) >> OffsetShift;
|
|
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
|
|
|
|
if ((VOffset + Y2) & 8)
|
|
{
|
|
t1 = 16;
|
|
t2 = 0;
|
|
}
|
|
else
|
|
{
|
|
t1 = 0;
|
|
t2 = 16;
|
|
}
|
|
|
|
uint16 *b1, *b2;
|
|
|
|
if (TilemapRow & 0x20)
|
|
{
|
|
b1 = SC2;
|
|
b2 = SC3;
|
|
}
|
|
else
|
|
{
|
|
b1 = SC0;
|
|
b2 = SC1;
|
|
}
|
|
|
|
b1 += (TilemapRow & 0x1f) << 5;
|
|
b2 += (TilemapRow & 0x1f) << 5;
|
|
|
|
uint32 HPos = (HOffset + Left) & OffsetMask;
|
|
uint32 HTile = HPos >> 3;
|
|
uint16 *t;
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
if (HTile > 31)
|
|
t = b2 + (HTile & 0x1f);
|
|
else
|
|
t = b1 + HTile;
|
|
}
|
|
else
|
|
{
|
|
if (HTile > 63)
|
|
t = b2 + ((HTile >> 1) & 0x1f);
|
|
else
|
|
t = b1 + (HTile >> 1);
|
|
}
|
|
|
|
uint32 l = HPos & 7;
|
|
uint32 w = 8 - l;
|
|
if (w > Width)
|
|
w = Width;
|
|
|
|
Offset -= l * PixWidth;
|
|
Tile = READ_WORD(t);
|
|
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
|
|
|
|
if (BG.TileSizeV == 16)
|
|
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
DrawClippedTile(Tile, Offset, l, w, VirtAlign, 1);
|
|
}
|
|
else
|
|
{
|
|
if (!(Tile & H_FLIP))
|
|
DrawClippedTile(TILE_PLUS(Tile, (HTile & 1)), Offset, l, w, VirtAlign, 1);
|
|
else
|
|
DrawClippedTile(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, l, w, VirtAlign, 1);
|
|
}
|
|
|
|
Left += w;
|
|
Offset += 8 * PixWidth;
|
|
Width -= w;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void DrawBackgroundOffsetMosaic (int bg, uint8 Zh, uint8 Zl, int VOffOff)
|
|
{
|
|
BG.TileAddress = PPU.BG[bg].NameBase << 1;
|
|
|
|
uint32 Tile;
|
|
uint16 *SC0, *SC1, *SC2, *SC3;
|
|
uint16 *BPS0, *BPS1, *BPS2, *BPS3;
|
|
|
|
BPS0 = (uint16 *) &Memory.VRAM[PPU.BG[2].SCBase << 1];
|
|
BPS1 = (PPU.BG[2].SCSize & 1) ? BPS0 + 1024 : BPS0;
|
|
if (BPS1 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
BPS1 -= 0x8000;
|
|
BPS2 = (PPU.BG[2].SCSize & 2) ? BPS1 + 1024 : BPS0;
|
|
if (BPS2 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
BPS2 -= 0x8000;
|
|
BPS3 = (PPU.BG[2].SCSize & 1) ? BPS2 + 1024 : BPS2;
|
|
if (BPS3 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
BPS3 -= 0x8000;
|
|
|
|
SC0 = (uint16 *) &Memory.VRAM[PPU.BG[bg].SCBase << 1];
|
|
SC1 = (PPU.BG[bg].SCSize & 1) ? SC0 + 1024 : SC0;
|
|
if (SC1 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC1 -= 0x8000;
|
|
SC2 = (PPU.BG[bg].SCSize & 2) ? SC1 + 1024 : SC0;
|
|
if (SC2 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC2 -= 0x8000;
|
|
SC3 = (PPU.BG[bg].SCSize & 1) ? SC2 + 1024 : SC2;
|
|
if (SC3 >= (uint16 *) (Memory.VRAM + 0x10000))
|
|
SC3 -= 0x8000;
|
|
|
|
int Lines;
|
|
int OffsetMask = (BG.TileSizeH == 16) ? 0x3ff : 0x1ff;
|
|
int OffsetShift = (BG.TileSizeV == 16) ? 4 : 3;
|
|
int Offset2Shift = (BG.OffsetSizeV == 16) ? 4 : 3;
|
|
int OffsetEnableMask = 0x2000 << bg;
|
|
int PixWidth = IPPU.DoubleWidthPixels ? 2 : 1;
|
|
bool8 HiresInterlace = IPPU.Interlace && IPPU.DoubleWidthPixels;
|
|
|
|
void (*DrawPix) (uint32, uint32, uint32, uint32, uint32, uint32);
|
|
|
|
int MosaicStart = ((uint32) GFX.StartY - PPU.MosaicStart) % PPU.Mosaic;
|
|
|
|
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
|
|
{
|
|
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
|
|
|
|
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
|
|
DrawPix = GFX.DrawMosaicPixelMath;
|
|
else
|
|
DrawPix = GFX.DrawMosaicPixelNomath;
|
|
|
|
for (uint32 Y = GFX.StartY - MosaicStart; Y <= GFX.EndY; Y += PPU.Mosaic)
|
|
{
|
|
uint32 Y2 = HiresInterlace ? Y * 2 : Y;
|
|
uint32 VOff = LineData[Y + MosaicStart].BG[2].VOffset - 1;
|
|
uint32 HOff = LineData[Y + MosaicStart].BG[2].HOffset;
|
|
|
|
Lines = PPU.Mosaic - MosaicStart;
|
|
if (Y + MosaicStart + Lines > GFX.EndY)
|
|
Lines = GFX.EndY - Y - MosaicStart + 1;
|
|
|
|
uint32 HOffsetRow = VOff >> Offset2Shift;
|
|
uint32 VOffsetRow = (VOff + VOffOff) >> Offset2Shift;
|
|
uint16 *s, *s1, *s2;
|
|
|
|
if (HOffsetRow & 0x20)
|
|
{
|
|
s1 = BPS2;
|
|
s2 = BPS3;
|
|
}
|
|
else
|
|
{
|
|
s1 = BPS0;
|
|
s2 = BPS1;
|
|
}
|
|
|
|
s1 += (HOffsetRow & 0x1f) << 5;
|
|
s2 += (HOffsetRow & 0x1f) << 5;
|
|
s = ((VOffsetRow & 0x20) ? BPS2 : BPS0) + ((VOffsetRow & 0x1f) << 5);
|
|
int32 VOffsetOffset = s - s1;
|
|
|
|
uint32 Left = GFX.Clip[bg].Left[clip];
|
|
uint32 Right = GFX.Clip[bg].Right[clip];
|
|
uint32 Offset = Left * PixWidth + (Y + MosaicStart) * GFX.PPL;
|
|
uint32 HScroll = LineData[Y + MosaicStart].BG[bg].HOffset;
|
|
uint32 Width = Right - Left;
|
|
|
|
while (Left < Right)
|
|
{
|
|
uint32 VOffset, HOffset;
|
|
|
|
if (Left < (8 - (HScroll & 7)))
|
|
{
|
|
// SNES cannot do OPT for leftmost tile column
|
|
VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
|
|
HOffset = HScroll;
|
|
}
|
|
else
|
|
{
|
|
int HOffTile = (((Left + (HScroll & 7)) - 8) + (HOff & ~7)) >> 3;
|
|
|
|
if (BG.OffsetSizeH == 8)
|
|
{
|
|
if (HOffTile > 31)
|
|
s = s2 + (HOffTile & 0x1f);
|
|
else
|
|
s = s1 + HOffTile;
|
|
}
|
|
else
|
|
{
|
|
if (HOffTile > 63)
|
|
s = s2 + ((HOffTile >> 1) & 0x1f);
|
|
else
|
|
s = s1 + (HOffTile >> 1);
|
|
}
|
|
|
|
uint16 HCellOffset = READ_WORD(s);
|
|
uint16 VCellOffset;
|
|
|
|
if (VOffOff)
|
|
VCellOffset = READ_WORD(s + VOffsetOffset);
|
|
else
|
|
{
|
|
if (HCellOffset & 0x8000)
|
|
{
|
|
VCellOffset = HCellOffset;
|
|
HCellOffset = 0;
|
|
}
|
|
else
|
|
VCellOffset = 0;
|
|
}
|
|
|
|
if (VCellOffset & OffsetEnableMask)
|
|
VOffset = VCellOffset + 1;
|
|
else
|
|
VOffset = LineData[Y + MosaicStart].BG[bg].VOffset;
|
|
|
|
if (HCellOffset & OffsetEnableMask)
|
|
HOffset = (HCellOffset & ~7) | (HScroll & 7);
|
|
else
|
|
HOffset = HScroll;
|
|
}
|
|
|
|
if (HiresInterlace)
|
|
VOffset++;
|
|
|
|
uint32 t1, t2;
|
|
int VirtAlign = (((Y2 + VOffset) & 7) >> (HiresInterlace ? 1 : 0)) << 3;
|
|
int TilemapRow = (VOffset + Y2) >> OffsetShift;
|
|
BG.InterlaceLine = ((VOffset + Y2) & 1) << 3;
|
|
|
|
if ((VOffset + Y2) & 8)
|
|
{
|
|
t1 = 16;
|
|
t2 = 0;
|
|
}
|
|
else
|
|
{
|
|
t1 = 0;
|
|
t2 = 16;
|
|
}
|
|
|
|
uint16 *b1, *b2;
|
|
|
|
if (TilemapRow & 0x20)
|
|
{
|
|
b1 = SC2;
|
|
b2 = SC3;
|
|
}
|
|
else
|
|
{
|
|
b1 = SC0;
|
|
b2 = SC1;
|
|
}
|
|
|
|
b1 += (TilemapRow & 0x1f) << 5;
|
|
b2 += (TilemapRow & 0x1f) << 5;
|
|
|
|
uint32 HPos = (HOffset + Left - (Left % PPU.Mosaic)) & OffsetMask;
|
|
uint32 HTile = HPos >> 3;
|
|
uint16 *t;
|
|
|
|
if (BG.TileSizeH == 8)
|
|
{
|
|
if (HTile > 31)
|
|
t = b2 + (HTile & 0x1f);
|
|
else
|
|
t = b1 + HTile;
|
|
}
|
|
else
|
|
{
|
|
if (HTile > 63)
|
|
t = b2 + ((HTile >> 1) & 0x1f);
|
|
else
|
|
t = b1 + (HTile >> 1);
|
|
}
|
|
|
|
uint32 w = PPU.Mosaic - (Left % PPU.Mosaic);
|
|
if (w > Width)
|
|
w = Width;
|
|
|
|
Tile = READ_WORD(t);
|
|
GFX.Z1 = GFX.Z2 = (Tile & 0x2000) ? Zh : Zl;
|
|
|
|
if (BG.TileSizeV == 16)
|
|
Tile = TILE_PLUS(Tile, ((Tile & V_FLIP) ? t2 : t1));
|
|
|
|
if (BG.TileSizeH == 8)
|
|
DrawPix(Tile, Offset, VirtAlign, HPos & 7, w, Lines);
|
|
else
|
|
{
|
|
if (!(Tile & H_FLIP))
|
|
DrawPix(TILE_PLUS(Tile, (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
|
|
else
|
|
if (!(Tile & V_FLIP))
|
|
DrawPix(TILE_PLUS(Tile, 1 - (HTile & 1)), Offset, VirtAlign, HPos & 7, w, Lines);
|
|
}
|
|
|
|
Left += w;
|
|
Offset += w * PixWidth;
|
|
Width -= w;
|
|
}
|
|
|
|
MosaicStart = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void DrawBackgroundMode7 (int bg, void (*DrawMath) (uint32, uint32, int), void (*DrawNomath) (uint32, uint32, int), int D)
|
|
{
|
|
for (int clip = 0; clip < GFX.Clip[bg].Count; clip++)
|
|
{
|
|
GFX.ClipColors = !(GFX.Clip[bg].DrawMode[clip] & 1);
|
|
|
|
if (BG.EnableMath && (GFX.Clip[bg].DrawMode[clip] & 2))
|
|
DrawMath(GFX.Clip[bg].Left[clip], GFX.Clip[bg].Right[clip], D);
|
|
else
|
|
DrawNomath(GFX.Clip[bg].Left[clip], GFX.Clip[bg].Right[clip], D);
|
|
}
|
|
}
|
|
|
|
static inline void DrawBackdrop (void)
|
|
{
|
|
uint32 Offset = GFX.StartY * GFX.PPL;
|
|
|
|
for (int clip = 0; clip < GFX.Clip[5].Count; clip++)
|
|
{
|
|
GFX.ClipColors = !(GFX.Clip[5].DrawMode[clip] & 1);
|
|
|
|
if (BG.EnableMath && (GFX.Clip[5].DrawMode[clip] & 2))
|
|
GFX.DrawBackdropMath(Offset, GFX.Clip[5].Left[clip], GFX.Clip[5].Right[clip]);
|
|
else
|
|
GFX.DrawBackdropNomath(Offset, GFX.Clip[5].Left[clip], GFX.Clip[5].Right[clip]);
|
|
}
|
|
}
|
|
|
|
void S9xReRefresh (void)
|
|
{
|
|
// Be careful when calling this function from the thread other than the emulation one...
|
|
// Here it's assumed no drawing occurs from the emulation thread when Settings.Paused is TRUE.
|
|
if (Settings.Paused)
|
|
S9xDeinitUpdate(IPPU.RenderedScreenWidth, IPPU.RenderedScreenHeight);
|
|
}
|
|
|
|
void S9xSetInfoString (const char *string)
|
|
{
|
|
if (Settings.InitialInfoStringTimeout > 0)
|
|
{
|
|
GFX.InfoString = string;
|
|
GFX.InfoStringTimeout = Settings.InitialInfoStringTimeout;
|
|
S9xReRefresh();
|
|
}
|
|
}
|
|
|
|
void S9xDisplayChar (uint16 *s, uint8 c)
|
|
{
|
|
const uint16 black = BUILD_PIXEL(0, 0, 0);
|
|
|
|
int line = ((c - 32) >> 4) * font_height;
|
|
int offset = ((c - 32) & 15) * font_width;
|
|
|
|
for (int h = 0; h < font_height; h++, line++, s += GFX.RealPPL - font_width)
|
|
{
|
|
for (int w = 0; w < font_width; w++, s++)
|
|
{
|
|
char p = font[line][offset + w];
|
|
|
|
if (p == '#')
|
|
*s = Settings.DisplayColor;
|
|
else
|
|
if (p == '.')
|
|
*s = black;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void DisplayStringFromBottom (const char *string, int linesFromBottom, int pixelsFromLeft, bool allowWrap)
|
|
{
|
|
if (S9xCustomDisplayString)
|
|
{
|
|
S9xCustomDisplayString (string, linesFromBottom, pixelsFromLeft, allowWrap, S9X_NO_INFO);
|
|
return;
|
|
}
|
|
|
|
if (linesFromBottom <= 0)
|
|
linesFromBottom = 1;
|
|
|
|
uint16 *dst = GFX.Screen + (IPPU.RenderedScreenHeight - font_height * linesFromBottom) * GFX.RealPPL + pixelsFromLeft;
|
|
|
|
int len = strlen(string);
|
|
int max_chars = IPPU.RenderedScreenWidth / (font_width - 1);
|
|
int char_count = 0;
|
|
|
|
for (int i = 0 ; i < len ; i++, char_count++)
|
|
{
|
|
if (char_count >= max_chars || (uint8) string[i] < 32)
|
|
{
|
|
if (!allowWrap)
|
|
break;
|
|
|
|
dst += font_height * GFX.RealPPL - (font_width - 1) * max_chars;
|
|
if (dst >= GFX.Screen + IPPU.RenderedScreenHeight * GFX.RealPPL)
|
|
break;
|
|
|
|
char_count -= max_chars;
|
|
}
|
|
|
|
if ((uint8) string[i] < 32)
|
|
continue;
|
|
|
|
S9xDisplayChar(dst, string[i]);
|
|
dst += font_width - 1;
|
|
}
|
|
}
|
|
|
|
static void S9xDisplayStringType (const char *string, int linesFromBottom, int pixelsFromLeft, bool allowWrap, int type)
|
|
{
|
|
if (S9xCustomDisplayString)
|
|
{
|
|
S9xCustomDisplayString (string, linesFromBottom, pixelsFromLeft, allowWrap, type);
|
|
return;
|
|
}
|
|
|
|
S9xDisplayString (string, linesFromBottom, pixelsFromLeft, allowWrap);
|
|
}
|
|
|
|
static void DisplayTime (void)
|
|
{
|
|
char string[10];
|
|
|
|
time_t rawtime;
|
|
struct tm *timeinfo;
|
|
|
|
time (&rawtime);
|
|
timeinfo = localtime(&rawtime);
|
|
|
|
sprintf(string, "%02u:%02u", timeinfo->tm_hour, timeinfo->tm_min);
|
|
S9xDisplayString(string, 0, 0, false);
|
|
}
|
|
|
|
static void DisplayFrameRate (void)
|
|
{
|
|
char string[10];
|
|
static uint32 lastFrameCount = 0, calcFps = 0;
|
|
static time_t lastTime = time(NULL);
|
|
|
|
time_t currTime = time(NULL);
|
|
if (lastTime != currTime) {
|
|
if (lastFrameCount < IPPU.TotalEmulatedFrames) {
|
|
calcFps = (IPPU.TotalEmulatedFrames - lastFrameCount) / (uint32)(currTime - lastTime);
|
|
}
|
|
lastTime = currTime;
|
|
lastFrameCount = IPPU.TotalEmulatedFrames;
|
|
}
|
|
sprintf(string, "%u fps", calcFps);
|
|
S9xDisplayString(string, 2, IPPU.RenderedScreenWidth - (font_width - 1) * strlen(string) - 1, false);
|
|
|
|
#ifdef DEBUGGER
|
|
const int len = 8;
|
|
sprintf(string, "%02d/%02d %02d", (int) IPPU.DisplayedRenderedFrameCount, (int) Memory.ROMFramesPerSecond, (int) IPPU.FrameCount);
|
|
#else
|
|
const int len = 5;
|
|
sprintf(string, "%02d/%02d", (int) IPPU.DisplayedRenderedFrameCount, (int) Memory.ROMFramesPerSecond);
|
|
#endif
|
|
|
|
S9xDisplayString(string, 1, IPPU.RenderedScreenWidth - (font_width - 1) * len - 1, false);
|
|
}
|
|
|
|
static void DisplayPressedKeys (void)
|
|
{
|
|
static unsigned char KeyMap[] = { '0', '1', '2', 'R', 'L', 'X', 'A', 225, 224, 227, 226, 'S', 's', 'Y', 'B' };
|
|
static int KeyOrder[] = { 8, 10, 7, 9, 0, 6, 14, 13, 5, 1, 4, 3, 2, 11, 12 }; // < ^ > v A B Y X L R S s
|
|
|
|
enum controllers controller;
|
|
int line = Settings.DisplayMovieFrame && S9xMovieActive() ? 2 : 1;
|
|
int8 ids[4];
|
|
char string[255];
|
|
|
|
for (int port = 0; port < 2; port++)
|
|
{
|
|
S9xGetController(port, &controller, &ids[0], &ids[1], &ids[2], &ids[3]);
|
|
|
|
switch (controller)
|
|
{
|
|
case CTL_MOUSE:
|
|
{
|
|
uint8 buf[5];
|
|
if (!MovieGetMouse(port, buf))
|
|
break;
|
|
int16 x = READ_WORD(buf);
|
|
int16 y = READ_WORD(buf + 2);
|
|
uint8 buttons = buf[4];
|
|
sprintf(string, "#%d %d: (%03d,%03d) %c%c", port + 1, ids[0] + 1, x, y,
|
|
(buttons & 0x40) ? 'L' : ' ', (buttons & 0x80) ? 'R' : ' ');
|
|
S9xDisplayStringType(string, line++, 1, false, S9X_PRESSED_KEYS_INFO);
|
|
break;
|
|
}
|
|
|
|
case CTL_SUPERSCOPE:
|
|
{
|
|
uint8 buf[6];
|
|
if (!MovieGetScope(port, buf))
|
|
break;
|
|
int16 x = READ_WORD(buf);
|
|
int16 y = READ_WORD(buf + 2);
|
|
uint8 buttons = buf[4];
|
|
sprintf(string, "#%d %d: (%03d,%03d) %c%c%c%c", port + 1, ids[0] + 1, x, y,
|
|
(buttons & 0x80) ? 'F' : ' ', (buttons & 0x40) ? 'C' : ' ',
|
|
(buttons & 0x20) ? 'T' : ' ', (buttons & 0x10) ? 'P' : ' ');
|
|
S9xDisplayStringType(string, line++, 1, false, S9X_PRESSED_KEYS_INFO);
|
|
break;
|
|
}
|
|
|
|
case CTL_JUSTIFIER:
|
|
{
|
|
uint8 buf[11];
|
|
if (!MovieGetJustifier(port, buf))
|
|
break;
|
|
int16 x1 = READ_WORD(buf);
|
|
int16 x2 = READ_WORD(buf + 2);
|
|
int16 y1 = READ_WORD(buf + 4);
|
|
int16 y2 = READ_WORD(buf + 6);
|
|
uint8 buttons = buf[8];
|
|
bool8 offscreen1 = buf[9];
|
|
bool8 offscreen2 = buf[10];
|
|
sprintf(string, "#%d %d: (%03d,%03d) %c%c%c / (%03d,%03d) %c%c%c", port + 1, ids[0] + 1,
|
|
x1, y1, (buttons & 0x80) ? 'T' : ' ', (buttons & 0x20) ? 'S' : ' ', offscreen1 ? 'O' : ' ',
|
|
x2, y2, (buttons & 0x40) ? 'T' : ' ', (buttons & 0x10) ? 'S' : ' ', offscreen2 ? 'O' : ' ');
|
|
S9xDisplayStringType(string, line++, 1, false, S9X_PRESSED_KEYS_INFO);
|
|
break;
|
|
}
|
|
|
|
case CTL_JOYPAD:
|
|
{
|
|
sprintf(string, "#%d %d: ", port + 1, ids[0] + 1);
|
|
uint16 pad = MovieGetJoypad(ids[0]);
|
|
for (int i = 0; i < 15; i++)
|
|
{
|
|
int j = KeyOrder[i];
|
|
int mask = (1 << (j + 1));
|
|
string[6 + i]= (pad & mask) ? KeyMap[j] : ' ';
|
|
}
|
|
|
|
S9xDisplayStringType(string, line++, 1, false, S9X_PRESSED_KEYS_INFO);
|
|
break;
|
|
}
|
|
|
|
case CTL_MP5:
|
|
{
|
|
for (int n = 0; n < 4; n++)
|
|
{
|
|
if (ids[n] != -1)
|
|
{
|
|
sprintf(string, "#%d %d: ", port + 1, ids[n] + 1);
|
|
uint16 pad = MovieGetJoypad(ids[n]);
|
|
for (int i = 0; i < 15; i++)
|
|
{
|
|
int j = KeyOrder[i];
|
|
int mask = (1 << (j + 1));
|
|
string[6 + i]= (pad & mask) ? KeyMap[j] : ' ';
|
|
}
|
|
|
|
S9xDisplayStringType(string, line++, 1, false, S9X_PRESSED_KEYS_INFO);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case CTL_MACSRIFLE:
|
|
{
|
|
/*
|
|
uint8 buf[6], *p = buf;
|
|
MovieGetScope(port, buf);
|
|
int16 x = READ_WORD(p);
|
|
int16 y = READ_WORD(p + 2);
|
|
uint8 buttons = buf[4];
|
|
sprintf(string, "#%d %d: (%03d,%03d) %c%c%c%c", port, ids[0], x, y,
|
|
(buttons & 0x80) ? 'F' : ' ', (buttons & 0x40) ? 'C' : ' ',
|
|
(buttons & 0x20) ? 'T' : ' ', (buttons & 0x10) ? 'P' : ' ');
|
|
S9xDisplayString(string, line++, 1, false);
|
|
*/
|
|
break;
|
|
}
|
|
|
|
case CTL_NONE:
|
|
{
|
|
// Display Nothing
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void DisplayWatchedAddresses (void)
|
|
{
|
|
for (unsigned int i = 0; i < sizeof(watches) / sizeof(watches[0]); i++)
|
|
{
|
|
if (!watches[i].on)
|
|
break;
|
|
|
|
int32 displayNumber = 0;
|
|
char buf[32];
|
|
|
|
for (int r = 0; r < watches[i].size; r++)
|
|
displayNumber += (Cheat.CWatchRAM[(watches[i].address - 0x7E0000) + r]) << (8 * r);
|
|
|
|
if (watches[i].format == 1)
|
|
sprintf(buf, "%s,%du = %u", watches[i].desc, watches[i].size, (unsigned int) displayNumber);
|
|
else
|
|
if (watches[i].format == 3)
|
|
sprintf(buf, "%s,%dx = %X", watches[i].desc, watches[i].size, (unsigned int) displayNumber);
|
|
else // signed
|
|
{
|
|
if (watches[i].size == 1)
|
|
displayNumber = (int32) ((int8) displayNumber);
|
|
else
|
|
if (watches[i].size == 2)
|
|
displayNumber = (int32) ((int16) displayNumber);
|
|
else
|
|
if (watches[i].size == 3)
|
|
if (displayNumber >= 8388608)
|
|
displayNumber -= 16777216;
|
|
|
|
sprintf(buf, "%s,%ds = %d", watches[i].desc, watches[i].size, (int) displayNumber);
|
|
}
|
|
|
|
S9xDisplayString(buf, 6 + i, 1, false);
|
|
}
|
|
}
|
|
|
|
void S9xDisplayMessages (uint16 *screen, int ppl, int width, int height, int scale)
|
|
{
|
|
if (Settings.DisplayTime)
|
|
DisplayTime();
|
|
|
|
if (Settings.DisplayFrameRate)
|
|
DisplayFrameRate();
|
|
|
|
if (Settings.DisplayWatchedAddresses)
|
|
DisplayWatchedAddresses();
|
|
|
|
if (Settings.DisplayPressedKeys)
|
|
DisplayPressedKeys();
|
|
|
|
if (Settings.DisplayMovieFrame && S9xMovieActive())
|
|
S9xDisplayString(GFX.FrameDisplayString, 1, 1, false);
|
|
|
|
if (GFX.InfoString && *GFX.InfoString)
|
|
S9xDisplayString(GFX.InfoString, 5, 1, true);
|
|
}
|
|
|
|
static uint16 get_crosshair_color (uint8 color)
|
|
{
|
|
switch (color & 15)
|
|
{
|
|
case 0: return (BUILD_PIXEL( 0, 0, 0)); // transparent, shouldn't be used
|
|
case 1: return (BUILD_PIXEL( 0, 0, 0)); // Black
|
|
case 2: return (BUILD_PIXEL( 8, 8, 8)); // 25Grey
|
|
case 3: return (BUILD_PIXEL(16, 16, 16)); // 50Grey
|
|
case 4: return (BUILD_PIXEL(23, 23, 23)); // 75Grey
|
|
case 5: return (BUILD_PIXEL(31, 31, 31)); // White
|
|
case 6: return (BUILD_PIXEL(31, 0, 0)); // Red
|
|
case 7: return (BUILD_PIXEL(31, 16, 0)); // Orange
|
|
case 8: return (BUILD_PIXEL(31, 31, 0)); // Yellow
|
|
case 9: return (BUILD_PIXEL( 0, 31, 0)); // Green
|
|
case 10: return (BUILD_PIXEL( 0, 31, 31)); // Cyan
|
|
case 11: return (BUILD_PIXEL( 0, 23, 31)); // Sky
|
|
case 12: return (BUILD_PIXEL( 0, 0, 31)); // Blue
|
|
case 13: return (BUILD_PIXEL(23, 0, 31)); // Violet
|
|
case 14: return (BUILD_PIXEL(31, 0, 31)); // Magenta
|
|
case 15: return (BUILD_PIXEL(31, 0, 16)); // Purple
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
void S9xDrawCrosshair (const char *crosshair, uint8 fgcolor, uint8 bgcolor, int16 x, int16 y)
|
|
{
|
|
if (!crosshair)
|
|
return;
|
|
|
|
int16 r, rx = 1, c, cx = 1, W = SNES_WIDTH, H = PPU.ScreenHeight;
|
|
uint16 fg, bg;
|
|
|
|
x -= 7;
|
|
y -= 7;
|
|
|
|
if (IPPU.DoubleWidthPixels) { cx = 2; x *= 2; W *= 2; }
|
|
if (IPPU.DoubleHeightPixels) { rx = 2; y *= 2; H *= 2; }
|
|
|
|
fg = get_crosshair_color(fgcolor);
|
|
bg = get_crosshair_color(bgcolor);
|
|
|
|
uint16 *s = GFX.Screen + y * (int32)GFX.RealPPL + x;
|
|
|
|
for (r = 0; r < 15 * rx; r++, s += GFX.RealPPL - 15 * cx)
|
|
{
|
|
if (y + r < 0)
|
|
{
|
|
s += 15 * cx;
|
|
continue;
|
|
}
|
|
|
|
if (y + r >= H)
|
|
break;
|
|
|
|
for (c = 0; c < 15 * cx; c++, s++)
|
|
{
|
|
if (x + c < 0 || s < GFX.Screen)
|
|
continue;
|
|
|
|
if (x + c >= W)
|
|
{
|
|
s += 15 * cx - c;
|
|
break;
|
|
}
|
|
|
|
uint8 p = crosshair[(r / rx) * 15 + (c / cx)];
|
|
|
|
if (p == '#' && fgcolor)
|
|
*s = (fgcolor & 0x10) ? COLOR_ADD::fn1_2(fg, *s) : fg;
|
|
else
|
|
if (p == '.' && bgcolor)
|
|
*s = (bgcolor & 0x10) ? COLOR_ADD::fn1_2(*s, bg) : bg;
|
|
}
|
|
}
|
|
}
|
|
|