Dasko/snes9x
Dasko/snes9x
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
2f167567f5
snes9x/i386/fxemu2c.asm
OV2 d1666860e0 Initial 1.52 import
2010-09-25 17:46:12 +02:00

2558 lines
69 KiB
NASM
Raw Blame History

;Copyright (C) 1997-2001 ZSNES Team ( zsknight@zsnes.com / _demo_@zsnes.com )
;
;This program is free software; you can redistribute it and/or
;modify it under the terms of the GNU General Public License
;as published by the Free Software Foundation; either
;version 2 of the License, or (at your option) any later
;version.
;
;This program is distributed in the hope that it will be useful,
;but WITHOUT ANY WARRANTY; without even the implied warranty of
;MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;GNU General Public License for more details.
;
;You should have received a copy of the GNU General Public License
;along with this program; if not, write to the Free Software
;Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
%include "macros.mac"
EXTSYM FXEndLoop,FlushCache,FxOp02,FxTable,FxTableb,FxTablec,FxTabled
EXTSYM NumberOfOpcodes,SfxB,SfxCBR,SfxCFGR,SfxCOLR,SfxCPB,SfxCROM
EXTSYM SfxCacheActive,SfxCarry,SfxLastRamAdr,SfxMemTable,SfxOverflow
EXTSYM SfxPBR,SfxPIPE,SfxPOR,SfxR0,SfxR1,SfxR11,SfxR12,SfxR13,SfxR14
EXTSYM SfxR15,SfxR2,SfxR4,SfxR6,SfxR7,SfxR8,SfxRAMBR,SfxRAMMem,SfxROMBR
EXTSYM SfxRomBuffer,SfxSCBR,SfxSCMR,SfxSFR,SfxSignZero,SfxnRamBanks,flagnz
EXTSYM sfx128lineloc,sfx160lineloc,sfx192lineloc,sfxobjlineloc,sfxramdata
EXTSYM withr15sk,sfxclineloc,SCBRrel,ChangeOps
EXTSYM fxbit01pcal,fxbit23pcal,fxbit45pcal,fxbit67pcal
EXTSYM fxbit01,fxbit23,fxbit45,fxbit67
EXTSYM fxxand
EXTSYM PLOTJmpa,PLOTJmpb
NEWSYM FxEmu2CAsmStart
%include "fxemu2.mac"
%include "fxemu2b.mac"
%include "fxemu2c.mac"
SECTION .text ;ALIGN=32
ALIGN32
NEWSYM FxOpd00 ; STOP stop GSU execution (and maybe generate an IRQ) ; Verified.
FETCHPIPE
mov [SfxPIPE],cl
and dword [SfxSFR],0FFFFh-32 ; Clear Go flag (set to 1 when the GSU is running)
test dword [SfxCFGR],080h ; Check if the interrupt generation is on
jnz .NoIRQ
or dword [SfxSFR],08000h ; Set IRQ Flag
.NoIRQ
CLRFLAGS
inc ebp
mov eax,[NumberOfOpcodes]
add eax,0F0000000h
add [ChangeOps],eax
mov dword [NumberOfOpcodes],1
jmp FXEndLoop
FXReturn
NEWSYM FxOpd01 ; NOP no operation ; Verified.
FETCHPIPE
CLRFLAGS
inc ebp ; Increase program counter
FXReturn
NEWSYM FxOpd02 ; CACHE reintialize GSU cache
mov eax,ebp
FETCHPIPE
sub eax,[SfxCPB]
and eax,0FFF0h
cmp dword [SfxCBR],eax
je .SkipUpdate
cmp byte [SfxCacheActive],1
je .SkipUpdate
mov dword [SfxCBR],eax
mov dword [SfxCacheActive],1
call FlushCache
.SkipUpdate
CLRFLAGS
inc ebp ; Increase program counter
FXReturn
NEWSYM FxOpd03 ; LSR logic shift right ; Verified.
mov eax,[esi] ; Read Source
FETCHPIPE
mov [SfxCarry],al
and byte[SfxCarry],1
shr ax,1 ; logic shift right
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov dword [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd04 ; ROL rotate left (RCL?) ; V
shr byte[SfxCarry],1
mov eax,[esi] ; Read Source
FETCHPIPE
rcl ax,1
rcl byte[SfxCarry],1
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd05 ; BRA branch always ; Verified.
movsx eax,byte[ebp]
mov cl,[ebp+1]
inc ebp
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd06 ; BGE branch on greater or equals ; Verified.
movsx eax,byte[ebp]
mov ebx,[SfxSignZero]
shr ebx,15
inc ebp
xor bl,[SfxOverflow]
mov cl,[ebp]
test bl,01h
jnz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd07 ; BLT branch on lesss than ; Verified.
movsx eax,byte[ebp]
mov ebx,[SfxSignZero]
shr ebx,15
inc ebp
xor bl,[SfxOverflow]
mov cl,[ebp]
test bl,01h
jz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd08 ; BNE branch on not equal ; Verified.
movsx eax,byte[ebp]
inc ebp
test dword[SfxSignZero],0FFFFh
mov cl,[ebp]
jz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd09 ; BEQ branch on equal (z=1) ; Verified.
movsx eax,byte[ebp]
inc ebp
test dword[SfxSignZero],0FFFFh
mov cl,[ebp]
jnz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd0A ; BPL branch on plus ; Verified.
movsx eax,byte[ebp]
inc ebp
test dword[SfxSignZero],088000h
mov cl,[ebp]
jnz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd0B ; BMI branch on minus ; Verified.
movsx eax,byte[ebp]
inc ebp
test dword[SfxSignZero],088000h
mov cl,[ebp]
jz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd0C ; BCC branch on carry clear ; Verified.
movsx eax,byte[ebp]
inc ebp
test byte[SfxCarry],01h
mov cl,[ebp]
jnz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd0D ; BCS branch on carry set ; Verified.
movsx eax,byte[ebp]
inc ebp
test byte[SfxCarry],01h
mov cl,[ebp]
jz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd0E ; BVC branch on overflow clear ; Verified.
movsx eax,byte[ebp]
inc ebp
test byte[SfxOverflow],01h
mov cl,[ebp]
jnz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd0F ; BVS branch on overflow set ; Verified.
movsx eax,byte[ebp]
inc ebp
test byte[SfxOverflow],01h
mov cl,[ebp]
jz .nojump
add ebp,eax
call [FxTable+ecx*4]
FXReturn2
.nojump
inc ebp
call [FxTable+ecx*4]
FXReturn2
NEWSYM FxOpd10 ; TO RN set register n as destination register
TORNd 0
NEWSYM FxOpd11 ; TO RN set register n as destination register
TORNd 1
NEWSYM FxOpd12 ; TO RN set register n as destination register
TORNd 2
NEWSYM FxOpd13 ; TO RN set register n as destination register
TORNd 3
NEWSYM FxOpd14 ; TO RN set register n as destination register
TORNd 4
NEWSYM FxOpd15 ; TO RN set register n as destination register
TORNd 5
NEWSYM FxOpd16 ; TO RN set register n as destination register
TORNd 6
NEWSYM FxOpd17 ; TO RN set register n as destination register
TORNd 7
NEWSYM FxOpd18 ; TO RN set register n as destination register
TORNd 8
NEWSYM FxOpd19 ; TO RN set register n as destination register
TORNd 9
NEWSYM FxOpd1A ; TO RN set register n as destination register
TORNd 10
NEWSYM FxOpd1B ; TO RN set register n as destination register
TORNd 11
NEWSYM FxOpd1C ; TO RN set register n as destination register
TORNd 12
NEWSYM FxOpd1D ; TO RN set register n as destination register
TORNd 13
NEWSYM FxOpd1E ; TO RN set register n as destination register
FETCHPIPE
mov edi,SfxR0+14*4
inc ebp
call [FxTable+ecx*4]
mov edi,SfxR0
UpdateR14
FXReturn
NEWSYM FxOpd1F ; TO RN set register n as destination register
FETCHPIPE
mov edi,SfxR0+15*4
inc ebp
call [FxTable+ecx*4]
mov ebp,[SfxCPB]
add ebp,[SfxR15]
mov edi,SfxR0
FXReturn
NEWSYM FxOpd20 ; WITH set register n as source and destination register
WITHc 0
NEWSYM FxOpd21 ; WITH set register n as source and destination register
WITHc 1
NEWSYM FxOpd22 ; WITH set register n as source and destination register
WITHc 2
NEWSYM FxOpd23 ; WITH set register n as source and destination register
WITHc 3
NEWSYM FxOpd24 ; WITH set register n as source and destination register
WITHc 4
NEWSYM FxOpd25 ; WITH set register n as source and destination register
WITHc 5
NEWSYM FxOpd26 ; WITH set register n as source and destination register
WITHc 6
NEWSYM FxOpd27 ; WITH set register n as source and destination register
WITHc 7
NEWSYM FxOpd28 ; WITH set register n as source and destination register
WITHc 8
NEWSYM FxOpd29 ; WITH set register n as source and destination register
WITHc 9
NEWSYM FxOpd2A ; WITH set register n as source and destination register
WITHc 10
NEWSYM FxOpd2B ; WITH set register n as source and destination register
WITHc 11
NEWSYM FxOpd2C ; WITH set register n as source and destination register
WITHc 12
NEWSYM FxOpd2D ; WITH set register n as source and destination register
WITHc 13
NEWSYM FxOpd2E ; WITH set register n as source and destination register
FETCHPIPE
mov esi,SfxR0+14*4
mov edi,SfxR0+14*4
mov dword [SfxB],1
inc ebp
call [FxTablec+ecx*4]
mov dword [SfxB],0 ; Clear B Flag
mov esi,SfxR0
mov edi,SfxR0
UpdateR14
FXReturn
NEWSYM FxOpd2F ; WITH set register n as source and destination register
FETCHPIPE
mov esi,SfxR0+15*4
mov edi,SfxR0+15*4
mov dword [SfxB],1
inc ebp
mov eax,ebp
sub eax,[SfxCPB]
mov dword[withr15sk],0
mov [SfxR15],eax
call [FxTableb+ecx*4]
cmp dword[withr15sk],1
je .skip
mov ebp,[SfxCPB]
add ebp,[SfxR15]
.skip
mov dword [SfxB],0 ; Clear B Flag
mov esi,SfxR0
mov edi,SfxR0
FXReturn
NEWSYM FxOpd30 ; STW RN store word
STWRNc 0
NEWSYM FxOpd31 ; STW RN store word
STWRNc 1
NEWSYM FxOpd32 ; STW RN store word
STWRNc 2
NEWSYM FxOpd33 ; STW RN store word
STWRNc 3
NEWSYM FxOpd34 ; STW RN store word
STWRNc 4
NEWSYM FxOpd35 ; STW RN store word
STWRNc 5
NEWSYM FxOpd36 ; STW RN store word
STWRNc 6
NEWSYM FxOpd37 ; STW RN store word
STWRNc 7
NEWSYM FxOpd38 ; STW RN store word
STWRNc 8
NEWSYM FxOpd39 ; STW RN store word
STWRNc 9
NEWSYM FxOpd3A ; STW RN store word
STWRNc 10
NEWSYM FxOpd3B ; STW RN store word
STWRNc 11
NEWSYM FxOpd30A1 ; STB RN store byte
STBRNc 0
NEWSYM FxOpd31A1 ; STB RN store byte
STBRNc 1
NEWSYM FxOpd32A1 ; STB RN store byte
STBRNc 2
NEWSYM FxOpd33A1 ; STB RN store byte
STBRNc 3
NEWSYM FxOpd34A1 ; STB RN store byte
STBRNc 4
NEWSYM FxOpd35A1 ; STB RN store byte
STBRNc 5
NEWSYM FxOpd36A1 ; STB RN store byte
STBRNc 6
NEWSYM FxOpd37A1 ; STB RN store byte
STBRNc 7
NEWSYM FxOpd38A1 ; STB RN store byte
STBRNc 8
NEWSYM FxOpd39A1 ; STB RN store byte
STBRNc 9
NEWSYM FxOpd3AA1 ; STB RN store byte
STBRNc 10
NEWSYM FxOpd3BA1 ; STB RN store byte
STBRNc 11
NEWSYM FxOpd3C ; LOOP decrement loop counter, and branch on not zero ; V
dec word [SfxR12] ; decrement loop counter
FETCHPIPE
mov eax,[SfxR12]
mov [SfxSignZero],eax
or eax,eax
jz .NoBranch
mov eax,dword [SfxR13]
mov ebp,[SfxCPB]
add ebp,eax
CLRFLAGS
FXReturn
.NoBranch
inc ebp
CLRFLAGS
FXReturn
NEWSYM FxOpd3D ; ALT1 set alt1 mode ; Verified.
FETCHPIPE
mov dword [SfxB],0
or ch,01h
inc ebp
call [FxTable+ecx*4]
xor ch,ch
FXReturn
NEWSYM FxOpd3E ; ALT2 set alt1 mode ; Verified.
FETCHPIPE
mov dword [SfxB],0
or ch,02h
inc ebp
call [FxTable+ecx*4]
xor ch,ch
FXReturn
NEWSYM FxOpd3F ; ALT3 set alt3 mode ; Verified.
FETCHPIPE
mov dword [SfxB],0
or ch,03h
inc ebp
call [FxTable+ecx*4]
xor ch,ch
FXReturn
NEWSYM FxOpd40 ; LDW RN load word from RAM
LDWRNc 0
NEWSYM FxOpd41 ; LDW RN load word from RAM
LDWRNc 1
NEWSYM FxOpd42 ; LDW RN load word from RAM
LDWRNc 2
NEWSYM FxOpd43 ; LDW RN load word from RAM
LDWRNc 3
NEWSYM FxOpd44 ; LDW RN load word from RAM
LDWRNc 4
NEWSYM FxOpd45 ; LDW RN load word from RAM
LDWRNc 5
NEWSYM FxOpd46 ; LDW RN load word from RAM
LDWRNc 6
NEWSYM FxOpd47 ; LDW RN load word from RAM
LDWRNc 7
NEWSYM FxOpd48 ; LDW RN load word from RAM
LDWRNc 8
NEWSYM FxOpd49 ; LDW RN load word from RAM
LDWRNc 9
NEWSYM FxOpd4A ; LDW RN load word from RAM
LDWRNc 10
NEWSYM FxOpd4B ; LDW RN load word from RAM
LDWRNc 11
NEWSYM FxOpd40A1 ; LDB RN load byte from RAM
LDBRNc 0
NEWSYM FxOpd41A1 ; LDB RN load byte from RAM
LDBRNc 1
NEWSYM FxOpd42A1 ; LDB RN load byte from RAM
LDBRNc 2
NEWSYM FxOpd43A1 ; LDB RN load byte from RAM
LDBRNc 3
NEWSYM FxOpd44A1 ; LDB RN load byte from RAM
LDBRNc 4
NEWSYM FxOpd45A1 ; LDB RN load byte from RAM
LDBRNc 5
NEWSYM FxOpd46A1 ; LDB RN load byte from RAM
LDBRNc 6
NEWSYM FxOpd47A1 ; LDB RN load byte from RAM
LDBRNc 7
NEWSYM FxOpd48A1 ; LDB RN load byte from RAM
LDBRNc 8
NEWSYM FxOpd49A1 ; LDB RN load byte from RAM
LDBRNc 9
NEWSYM FxOpd4AA1 ; LDB RN load byte from RAM
LDBRNc 10
NEWSYM FxOpd4BA1 ; LDB RN load byte from RAM
LDBRNc 11
NEWSYM FxOpd4C1284b ; PLOT 4bit
plotlines4bb plotb
NEWSYM FxOpd4C1284bz ; PLOT 4bit, zero check
plotlines4bb plotbz
NEWSYM FxOpd4C1284bd ; PLOT 4bit, dither
plotlines4bb plotbd
NEWSYM FxOpd4C1284bzd ; PLOT 4bit, zero check + dither
plotlines4bb plotbzd
NEWSYM FxOpd4C1282b ; PLOT 2bit
plotlines2bb plotb
NEWSYM FxOpd4C1282bz ; PLOT 2bit, zero check
plotlines2bb plotbz
NEWSYM FxOpd4C1282bd ; PLOT 2bit, dither
plotlines2bb plotbd
NEWSYM FxOpd4C1282bzd ; PLOT 2bit, zero check + dither
plotlines2bb plotbzd
NEWSYM FxOpd4C1288b ; PLOT 8bit
plotlines8bb plotb
NEWSYM FxOpd4C1288bz ; PLOT 8bit, zero check
plotlines8bb plotbz
NEWSYM FxOpd4C1288bd ; PLOT 8bit, dither
plotlines8bb plotb
NEWSYM FxOpd4C1288bzd ; PLOT 8bit, zero check + dither
plotlines8bb plotbz
NEWSYM FxOpd4C1288bl ; PLOT 8bit
plotlines8bbl plotb
NEWSYM FxOpd4C1288bzl ; PLOT 8bit, zero check
plotlines8bbl plotbz
NEWSYM FxOpd4C1288bdl ; PLOT 8bit, dither
plotlines8bbl plotb
NEWSYM FxOpd4C1288bzdl ; PLOT 8bit, zero check + dither
plotlines8bbl plotbz
NEWSYM FxOpd4C ; PLOT plot pixel with R1,R2 as x,y and the color register as the color
jmp FxOpd4C1284b
FETCHPIPE
inc ebp
CLRFLAGS
mov ebx,[SfxR2]
mov bh,[SfxR1]
mov eax,[sfxclineloc]
mov ebx,[eax+ebx*4]
cmp ebx,0FFFFFFFFh
je near .nodraw
xor eax,eax
; bits 5/2 : 00 = 128 pixels, 01 = 160 pixels, 10 = 192 pixels, 11 = obj
; bits 1/0 : 00 = 4 color, 01 = 16-color, 10 = not used, 11 = 256 color
; 192 pixels = 24 tiles, 160 pixels = 20 tiles, 128 pixels = 16 tiles
; 16+8(4/3) 16+4(4/2) 16(4/0)
push ecx
mov al,[SfxSCMR]
and al,00000011b ; 4 + 32
cmp al,0
je near .colors4
cmp al,3
je near .colors256
shl ebx,5 ; x32 (16 colors)
mov al,[SfxSCBR]
shl eax,10 ; Get SFX address
add eax,ebx
add eax,[sfxramdata]
mov ebx,[SfxR2]
and ebx,07h
shl ebx,1
add eax,ebx
mov cl,[SfxR1]
and cl,07h
xor cl,07h
mov bl,1
shl bl,cl
mov bh,bl
xor bh,0FFh
pop ecx
test byte[SfxPOR],01h
jnz .nozerocheck_16
test byte[SfxCOLR],0Fh
jz .nodraw
.nozerocheck_16
mov dl,[SfxCOLR]
test byte[SfxPOR],02h
jz .nodither4b
mov dh,[SfxR1]
xor dh,[SfxR2]
test dh,01h
jz .nodither4b
shr dh,4
.nodither4b
and byte[eax],bh
and byte[eax+1],bh
and byte[eax+16],bh
and byte[eax+17],bh
test dl,01h
jz .nodraw_16
or byte[eax], bl
.nodraw_16
test dl,02h
jz .nodraw2_16
or byte[eax+1], bl
.nodraw2_16
test dl,04h
jz .nodraw3_16
or byte[eax+16],bl
.nodraw3_16
test dl,08h
jz .nodraw4_16
or byte[eax+17],bl
.nodraw4_16
.nodraw
inc word [SfxR1]
FXReturn
.colors4
shl ebx,4 ; x16 (4 colors)
mov al,[SfxSCBR]
shl eax,10 ; Get SFX address
add eax,ebx
add eax,[sfxramdata]
mov ebx,[SfxR2]
and ebx,07h
shl ebx,1
add eax,ebx
mov cl,[SfxR1]
and cl,07h
xor cl,07h
mov bl,1
shl bl,cl
mov bh,bl
xor bh,0FFh
pop ecx
test byte[SfxPOR],01h
jnz .nozerocheck_4
test byte[SfxCOLR],03h
jz .noplot_4
.nozerocheck_4
mov dl,[SfxCOLR]
test byte[SfxPOR],02h
jz .nodither2b
mov dh,[SfxR1]
xor dh,[SfxR2]
test dh,01h
jz .nodither2b
shr dh,4
.nodither2b
and byte[eax],bh
and byte[eax+1],bh
test dl,01h
jz .nodraw_4
or byte[eax], bl
.nodraw_4
test dl,02h
jz .nodraw2_4
or byte[eax+1], bl
.nodraw2_4
.noplot_4
inc word [SfxR1]
FXReturn
.colors256
shl ebx,6 ; x64 (256 colors)
mov al,[SfxSCBR]
shl eax,10 ; Get SFX address
add eax,ebx
add eax,[sfxramdata]
mov ebx,[SfxR2]
and ebx,07h
shl ebx,1
add eax,ebx
mov cl,[SfxR1]
and cl,07h
xor cl,07h
mov bl,1
shl bl,cl
mov bh,bl
xor bh,0FFh
pop ecx
test byte[SfxPOR],01h
jnz .nozerocheck_256
mov dl,0FFh
test byte[SfxPOR],08h
jz .nozerocheckb_256
mov dl,0Fh
.nozerocheckb_256
test byte[SfxCOLR],dl
jz .noplot_256
.nozerocheck_256
mov dl,[SfxCOLR]
and byte[eax],bh
and byte[eax+1],bh
and byte[eax+16],bh
and byte[eax+17],bh
and byte[eax+32],bh
and byte[eax+33],bh
and byte[eax+48],bh
and byte[eax+49],bh
test dl,01h
jz .nodraw_256
or byte[eax], bl
.nodraw_256
test dl,02h
jz .nodraw2_256
or byte[eax+1], bl
.nodraw2_256
test dl,04h
jz .nodraw3_256
or byte[eax+16],bl
.nodraw3_256
test dl,08h
jz .nodraw4_256
or byte[eax+17],bl
.nodraw4_256
test dl,10h
jz .nodraw5_256
or byte[eax+32], bl
.nodraw5_256
test dl,20h
jz .nodraw6_256
or byte[eax+33], bl
.nodraw6_256
test dl,40h
jz .nodraw7_256
or byte[eax+48],bl
.nodraw7_256
test dl,80h
jz .nodraw8_256
or byte[eax+49],bl
.nodraw8_256
.noplot_256
inc word [SfxR1]
FXReturn
SECTION .bss
.prevx resw 1
.prevy resw 1
SECTION .text
NEWSYM FxOpd4CA1 ; RPIX read color of the pixel with R1,R2 as x,y
FETCHPIPE
mov ebx,[SfxR2]
mov bh,[SfxR1]
test byte[SfxPOR],10h
jnz .objmode
mov al,[SfxSCMR]
and al,00100100b ; 4 + 32
cmp al,4
je .lines160
cmp al,32
je .lines192
cmp al,36
je .objmode
mov eax,[sfx128lineloc]
jmp .donelines
.lines160
mov eax,[sfx160lineloc]
jmp .donelines
.lines192
mov eax,[sfx192lineloc]
jmp .donelines
.objmode
mov eax,[sfxobjlineloc]
.donelines
mov ebx,[eax+ebx*4]
cmp ebx,0FFFFFFFFh
je near .nodraw
xor eax,eax
; bits 5/2 : 00 = 128 pixels, 01 = 160 pixels, 10 = 192 pixels, 11 = obj
; bits 1/0 : 00 = 4 color, 01 = 16-color, 10 = not used, 11 = 256 color
; 192 pixels = 24 tiles, 160 pixels = 20 tiles, 128 pixels = 16 tiles
; 16+8(4/3) 16+4(4/2) 16(4/0)
push ecx
mov al,[SfxSCMR]
and al,00000011b ; 4 + 32
cmp al,0
je near .colors4
cmp al,3
je near .colors256
shl ebx,5 ; x32 (16 colors)
mov al,[SfxSCBR]
shl eax,10 ; Get SFX address
add eax,ebx
add eax,[sfxramdata]
mov ebx,[SfxR2]
and ebx,07h
shl ebx,1
add eax,ebx
mov cl,[SfxR1]
and cl,07h
xor cl,07h
mov bl,1
shl bl,cl
pop ecx
xor bh,bh
test byte[eax],bl
jz .nodraw_16
or bh,01h
.nodraw_16
test byte[eax+1],bl
jz .nodraw2_16
or bh,02h
.nodraw2_16
test byte[eax+16],bl
jz .nodraw3_16
or bh,04h
.nodraw3_16
test byte[eax+17],bl
jz .nodraw4_16
or bh,08h
.nodraw4_16
.nodraw
mov bl,bh
and ebx,0FFh
inc ebp
; UpdateR14
CLRFLAGS
mov [edi],ebx ; Write Destination
mov [flagnz],ebx
FXReturn
.colors4
shl ebx,4 ; x16 (4 colors)
mov al,[SfxSCBR]
shl eax,10 ; Get SFX address
add eax,ebx
add eax,[sfxramdata]
mov ebx,[SfxR2]
and ebx,07h
shl ebx,1
add eax,ebx
mov cl,[SfxR1]
and cl,07h
xor cl,07h
mov bl,1
shl bl,cl
mov bh,bl
xor bh,0FFh
pop ecx
xor bh,bh
test byte[eax],bl
jz .nodraw_4
or bh,01h
.nodraw_4
test byte[eax+1],bl
jz .nodraw2_4
or bh,02h
.nodraw2_4
mov bl,bh
and ebx,0FFh
inc ebp
; UpdateR14
CLRFLAGS
mov [edi],ebx ; Write Destination
mov [flagnz],ebx
FXReturn
.colors256
shl ebx,6 ; x64 (256 colors)
mov al,[SfxSCBR]
shl eax,10 ; Get SFX address
add eax,ebx
add eax,[sfxramdata]
mov ebx,[SfxR2]
and ebx,07h
shl ebx,1
add eax,ebx
mov cl,[SfxR1]
and cl,07h
xor cl,07h
mov bl,1
shl bl,cl
mov bh,bl
xor bh,0FFh
pop ecx
xor bh,bh
test byte[eax],bl
jz .nodraw_256
or bh,01h
.nodraw_256
test byte[eax+1],bl
jz .nodraw2_256
or bh,02h
.nodraw2_256
test byte[eax+16],bl
jz .nodraw3_256
or bh,04h
.nodraw3_256
test byte[eax+17],bl
jz .nodraw4_256
or bh,08h
.nodraw4_256
test byte[eax+32],bl
jz .nodraw5_256
or bh,10h
.nodraw5_256
test byte[eax+33],bl
jz .nodraw6_256
or bh,20h
.nodraw6_256
test byte[eax+48],bl
jz .nodraw7_256
or bh,40h
.nodraw7_256
test byte[eax+49],bl
jz .nodraw8_256
or bh,80h
.nodraw8_256
mov bl,bh
and ebx,0FFh
inc ebp
; UpdateR14
CLRFLAGS
mov [edi],ebx ; Write Destination
mov [flagnz],ebx
FXReturn
NEWSYM FxOpd4D ; SWAP swap upper and lower byte of a register ; V
mov eax,[esi] ; Read Source
FETCHPIPE
ror ax,8
inc ebp ; Increase program counter
mov [SfxSignZero],eax
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
NEWSYM FxOpd4E ; COLOR copy source register to color register ; V
FETCHPIPE
mov eax,[esi] ; Read Source
; if bit 3 of SfxPOR is set, then don't modify the upper 4 bits
test byte[SfxPOR],04h
jz .nohighnibble
mov bl,al
shr bl,4
and al,0F0h
or al,bl
.nohighnibble
test byte[SfxPOR],08h
jnz .preserveupper
cmp [SfxCOLR],al
je .nocolchange
mov [SfxCOLR],al
and eax,0FFh
mov ebx,[fxbit01+eax*4]
mov [fxbit01pcal],ebx
mov ebx,[fxbit23+eax*4]
mov [fxbit23pcal],ebx
mov ebx,[fxbit45+eax*4]
mov [fxbit45pcal],ebx
mov ebx,[fxbit67+eax*4]
mov [fxbit67pcal],ebx
.nocolchange
CLRFLAGS
inc ebp ; Increase program counter
FXReturn
.preserveupper
mov bl,[SfxCOLR]
and al,0Fh
and bl,0F0h
or al,bl
cmp [SfxCOLR],al
je .nocolchange
mov [SfxCOLR],al
and eax,0FFh
mov ebx,[fxbit01+eax*4]
mov [fxbit01pcal],ebx
mov ebx,[fxbit23+eax*4]
mov [fxbit23pcal],ebx
mov ebx,[fxbit45+eax*4]
mov [fxbit45pcal],ebx
mov ebx,[fxbit67+eax*4]
mov [fxbit67pcal],ebx
CLRFLAGS
inc ebp ; Increase program counter
FXReturn
NEWSYM FxOpd4EA1 ; CMODE set plot option register ; V
FETCHPIPE
mov eax,[esi] ; Read Source
inc ebp ; Increase program counter
mov dword [SfxPOR],eax
test byte[SfxPOR],10h
jnz .objmode
mov al,[SfxSCMR]
and al,00100100b ; 4 + 32
cmp al,4
je .lines160
cmp al,32
je .lines192
cmp al,36
je .objmode
mov eax,[sfx128lineloc]
jmp .donelines
.lines160
mov eax,[sfx160lineloc]
jmp .donelines
.lines192
mov eax,[sfx192lineloc]
jmp .donelines
.objmode
mov eax,[sfxobjlineloc]
.donelines
mov [sfxclineloc],eax
push ebx
mov al,[SfxSCMR]
and eax,00000011b
mov bl,[SfxPOR]
and bl,0Fh
shl bl,2
or al,bl
mov ebx,[PLOTJmpb+eax*4]
mov eax,[PLOTJmpa+eax*4]
mov dword [FxTable+4Ch*4],eax
mov dword [FxTableb+4Ch*4],eax
mov dword [FxTablec+4Ch*4],eax
mov dword [FxTabled+4Ch*4],ebx
pop ebx
CLRFLAGS
FXReturn
NEWSYM FxOpd4F ; NOT perform exclusive exor with 1 on all bits ; V
mov eax,[esi] ; Read Source
FETCHPIPE
xor eax,0FFFFh
inc ebp ; Increase program counter
mov [SfxSignZero],eax
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
NEWSYM FxOpd50 ; ADD RN add, register + register
ADDRNc 0
NEWSYM FxOpd51 ; ADD RN add, register + register
ADDRNc 1
NEWSYM FxOpd52 ; ADD RN add, register + register
ADDRNc 2
NEWSYM FxOpd53 ; ADD RN add, register + register
ADDRNc 3
NEWSYM FxOpd54 ; ADD RN add, register + register
ADDRNc 4
NEWSYM FxOpd55 ; ADD RN add, register + register
ADDRNc 5
NEWSYM FxOpd56 ; ADD RN add, register + register
ADDRNc 6
NEWSYM FxOpd57 ; ADD RN add, register + register
ADDRNc 7
NEWSYM FxOpd58 ; ADD RN add, register + register
ADDRNc 8
NEWSYM FxOpd59 ; ADD RN add, register + register
ADDRNc 9
NEWSYM FxOpd5A ; ADD RN add, register + register
ADDRNc 10
NEWSYM FxOpd5B ; ADD RN add, register + register
ADDRNc 11
NEWSYM FxOpd5C ; ADD RN add, register + register
ADDRNc 12
NEWSYM FxOpd5D ; ADD RN add, register + register
ADDRNc 13
NEWSYM FxOpd5E ; ADD RN add, register + register
ADDRNc 14
NEWSYM FxOpd5F ; ADD RN add, register + register
FETCHPIPE
mov eax, [esi] ; Read Source
mov ebx,ebp
sub ebx,[SfxCPB]
add ax,bx
seto byte[SfxOverflow]
setc byte[SfxCarry]
mov [SfxSignZero],eax
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
NEWSYM FxOpd50A1 ; ADC RN add with carry, register + register
ADCRNc 0
NEWSYM FxOpd51A1 ; ADC RN add with carry, register + register
ADCRNc 1
NEWSYM FxOpd52A1 ; ADC RN add with carry, register + register
ADCRNc 2
NEWSYM FxOpd53A1 ; ADC RN add with carry, register + register
ADCRNc 3
NEWSYM FxOpd54A1 ; ADC RN add with carry, register + register
ADCRNc 4
NEWSYM FxOpd55A1 ; ADC RN add with carry, register + register
ADCRNc 5
NEWSYM FxOpd56A1 ; ADC RN add with carry, register + register
ADCRNc 6
NEWSYM FxOpd57A1 ; ADC RN add with carry, register + register
ADCRNc 7
NEWSYM FxOpd58A1 ; ADC RN add with carry, register + register
ADCRNc 8
NEWSYM FxOpd59A1 ; ADC RN add with carry, register + register
ADCRNc 9
NEWSYM FxOpd5AA1 ; ADC RN add with carry, register + register
ADCRNc 10
NEWSYM FxOpd5BA1 ; ADC RN add with carry, register + register
ADCRNc 11
NEWSYM FxOpd5CA1 ; ADC RN add with carry, register + register
ADCRNc 12
NEWSYM FxOpd5DA1 ; ADC RN add with carry, register + register
ADCRNc 13
NEWSYM FxOpd5EA1 ; ADC RN add with carry, register + register
ADCRNc 14
NEWSYM FxOpd5FA1 ; ADC RN add with carry, register + register
FETCHPIPE
mov eax, [esi] ; Read Source
mov ebx,ebp
sub ebx,[SfxCPB]
shr byte[SfxCarry],1
adc ax,bx
seto byte[SfxOverflow]
setc byte[SfxCarry]
mov [SfxSignZero],eax
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
; Weird Opdode (FxOpd50A2, add 0, wow!)
NEWSYM FxOpd50A2 ; ADI RN add, register + immediate
ADIRNc 0
NEWSYM FxOpd51A2 ; ADI RN add, register + immediate
ADIRNc 1
NEWSYM FxOpd52A2 ; ADI RN add, register + immediate
ADIRNc 2
NEWSYM FxOpd53A2 ; ADI RN add, register + immediate
ADIRNc 3
NEWSYM FxOpd54A2 ; ADI RN add, register + immediate
ADIRNc 4
NEWSYM FxOpd55A2 ; ADI RN add, register + immediate
ADIRNc 5
NEWSYM FxOpd56A2 ; ADI RN add, register + immediate
ADIRNc 6
NEWSYM FxOpd57A2 ; ADI RN add, register + immediate
ADIRNc 7
NEWSYM FxOpd58A2 ; ADI RN add, register + immediate
ADIRNc 8
NEWSYM FxOpd59A2 ; ADI RN add, register + immediate
ADIRNc 9
NEWSYM FxOpd5AA2 ; ADI RN add, register + immediate
ADIRNc 10
NEWSYM FxOpd5BA2 ; ADI RN add, register + immediate
ADIRNc 11
NEWSYM FxOpd5CA2 ; ADI RN add, register + immediate
ADIRNc 12
NEWSYM FxOpd5DA2 ; ADI RN add, register + immediate
ADIRNc 13
NEWSYM FxOpd5EA2 ; ADI RN add, register + immediate
ADIRNc 14
NEWSYM FxOpd5FA2 ; ADI RN add, register + immediate
ADIRNc 15
; Another very useful Opdode
NEWSYM FxOpd50A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 0
NEWSYM FxOpd51A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 1
NEWSYM FxOpd52A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 2
NEWSYM FxOpd53A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 3
NEWSYM FxOpd54A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 4
NEWSYM FxOpd55A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 5
NEWSYM FxOpd56A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 6
NEWSYM FxOpd57A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 7
NEWSYM FxOpd58A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 8
NEWSYM FxOpd59A3 ; ADCIRN add with carry, register + immediate
ADCIRNc 9
NEWSYM FxOpd5AA3 ; ADCIRN add with carry, register + immediate
ADCIRNc 10
NEWSYM FxOpd5BA3 ; ADCIRN add with carry, register + immediate
ADCIRNc 11
NEWSYM FxOpd5CA3 ; ADCIRN add with carry, register + immediate
ADCIRNc 12
NEWSYM FxOpd5DA3 ; ADCIRN add with carry, register + immediate
ADCIRNc 13
NEWSYM FxOpd5EA3 ; ADCIRN add with carry, register + immediate
ADCIRNc 14
NEWSYM FxOpd5FA3 ; ADCIRN add with carry, register + immediate
ADCIRNc 15
NEWSYM FxOpd60 ; SUBRN subtract, register - register
SUBRNc 0
NEWSYM FxOpd61 ; SUBRN subtract, register - register
SUBRNc 1
NEWSYM FxOpd62 ; SUBRN subtract, register - register
SUBRNc 2
NEWSYM FxOpd63 ; SUBRN subtract, register - register
SUBRNc 3
NEWSYM FxOpd64 ; SUBRN subtract, register - register
SUBRNc 4
NEWSYM FxOpd65 ; SUBRN subtract, register - register
SUBRNc 5
NEWSYM FxOpd66 ; SUBRN subtract, register - register
SUBRNc 6
NEWSYM FxOpd67 ; SUBRN subtract, register - register
SUBRNc 7
NEWSYM FxOpd68 ; SUBRN subtract, register - register
SUBRNc 8
NEWSYM FxOpd69 ; SUBRN subtract, register - register
SUBRNc 9
NEWSYM FxOpd6A ; SUBRN subtract, register - register
SUBRNc 10
NEWSYM FxOpd6B ; SUBRN subtract, register - register
SUBRNc 11
NEWSYM FxOpd6C ; SUBRN subtract, register - register
SUBRNc 12
NEWSYM FxOpd6D ; SUBRN subtract, register - register
SUBRNc 13
NEWSYM FxOpd6E ; SUBRN subtract, register - register
SUBRNc 14
NEWSYM FxOpd6F ; SUBRN subtract, register - register
FETCHPIPE
mov eax,[esi] ; Read Source
mov ebx,ebp
sub ebx,[SfxCPB]
sub ax,bx
seto byte[SfxOverflow]
setc byte[SfxCarry]
xor byte[SfxCarry],1
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd60A1 ; SBCRN subtract with carry, register - register
SBCRNc 0
NEWSYM FxOpd61A1 ; SBCRN subtract with carry, register - register
SBCRNc 1
NEWSYM FxOpd62A1 ; SBCRN subtract with carry, register - register
SBCRNc 2
NEWSYM FxOpd63A1 ; SBCRN subtract with carry, register - register
SBCRNc 3
NEWSYM FxOpd64A1 ; SBCRN subtract with carry, register - register
SBCRNc 4
NEWSYM FxOpd65A1 ; SBCRN subtract with carry, register - register
SBCRNc 5
NEWSYM FxOpd66A1 ; SBCRN subtract with carry, register - register
SBCRNc 6
NEWSYM FxOpd67A1 ; SBCRN subtract with carry, register - register
SBCRNc 7
NEWSYM FxOpd68A1 ; SBCRN subtract with carry, register - register
SBCRNc 8
NEWSYM FxOpd69A1 ; SBCRN subtract with carry, register - register
SBCRNc 9
NEWSYM FxOpd6AA1 ; SBCRN subtract with carry, register - register
SBCRNc 10
NEWSYM FxOpd6BA1 ; SBCRN subtract with carry, register - register
SBCRNc 11
NEWSYM FxOpd6CA1 ; SBCRN subtract with carry, register - register
SBCRNc 12
NEWSYM FxOpd6DA1 ; SBCRN subtract with carry, register - register
SBCRNc 13
NEWSYM FxOpd6EA1 ; SBCRN subtract with carry, register - register
SBCRNc 14
NEWSYM FxOpd6FA1 ; SBCRN subtract with carry, register - register
mov eax,[esi] ; Read Source
mov ebx,ebp
FETCHPIPE
sub ebx,[SfxCPB]
cmp byte[SfxCarry],1
sbb ax,bx
seto byte[SfxOverflow]
setc byte[SfxCarry]
xor byte[SfxCarry],1
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd60A2 ; SUBIRN subtract, register - immediate
SUBIRNc 0
NEWSYM FxOpd61A2 ; SUBIRN subtract, register - immediate
SUBIRNc 1
NEWSYM FxOpd62A2 ; SUBIRN subtract, register - immediate
SUBIRNc 2
NEWSYM FxOpd63A2 ; SUBIRN subtract, register - immediate
SUBIRNc 3
NEWSYM FxOpd64A2 ; SUBIRN subtract, register - immediate
SUBIRNc 4
NEWSYM FxOpd65A2 ; SUBIRN subtract, register - immediate
SUBIRNc 5
NEWSYM FxOpd66A2 ; SUBIRN subtract, register - immediate
SUBIRNc 6
NEWSYM FxOpd67A2 ; SUBIRN subtract, register - immediate
SUBIRNc 7
NEWSYM FxOpd68A2 ; SUBIRN subtract, register - immediate
SUBIRNc 8
NEWSYM FxOpd69A2 ; SUBIRN subtract, register - immediate
SUBIRNc 9
NEWSYM FxOpd6AA2 ; SUBIRN subtract, register - immediate
SUBIRNc 10
NEWSYM FxOpd6BA2 ; SUBIRN subtract, register - immediate
SUBIRNc 11
NEWSYM FxOpd6CA2 ; SUBIRN subtract, register - immediate
SUBIRNc 12
NEWSYM FxOpd6DA2 ; SUBIRN subtract, register - immediate
SUBIRNc 13
NEWSYM FxOpd6EA2 ; SUBIRN subtract, register - immediate
SUBIRNc 14
NEWSYM FxOpd6FA2 ; SUBIRN subtract, register - immediate
SUBIRNc 15
NEWSYM FxOpd60A3 ; CMPRN compare, register, register
CMPRNc 0
NEWSYM FxOpd61A3 ; CMPRN compare, register, register
CMPRNc 1
NEWSYM FxOpd62A3 ; CMPRN compare, register, register
CMPRNc 2
NEWSYM FxOpd63A3 ; CMPRN compare, register, register
CMPRNc 3
NEWSYM FxOpd64A3 ; CMPRN compare, register, register
CMPRNc 4
NEWSYM FxOpd65A3 ; CMPRN compare, register, register
CMPRNc 5
NEWSYM FxOpd66A3 ; CMPRN compare, register, register
CMPRNc 6
NEWSYM FxOpd67A3 ; CMPRN compare, register, register
CMPRNc 7
NEWSYM FxOpd68A3 ; CMPRN compare, register, register
CMPRNc 8
NEWSYM FxOpd69A3 ; CMPRN compare, register, register
CMPRNc 9
NEWSYM FxOpd6AA3 ; CMPRN compare, register, register
CMPRNc 10
NEWSYM FxOpd6BA3 ; CMPRN compare, register, register
CMPRNc 11
NEWSYM FxOpd6CA3 ; CMPRN compare, register, register
CMPRNc 12
NEWSYM FxOpd6DA3 ; CMPRN compare, register, register
CMPRNc 13
NEWSYM FxOpd6EA3 ; CMPRN compare, register, register
CMPRNc 14
NEWSYM FxOpd6FA3 ; CMPRN compare, register, register
FETCHPIPE
mov eax,[esi] ; Read Source
mov ebx,ebp
sub ebx,[SfxCPB]
sub ax,bx
seto byte[SfxOverflow]
setc byte[SfxCarry]
xor byte[SfxCarry],1
mov [SfxSignZero],eax
CLRFLAGS
inc ebp ; Increase program counter
FXReturn
NEWSYM FxOpd70 ; MERGE R7 as upper byte, R8 as lower byte (used for texture-mapping) */
; V
xor eax,eax
FETCHPIPE
mov ah,byte [SfxR7+1]
mov al,byte [SfxR8+1]
inc ebp
mov [edi],eax ; Write Destination
mov dword[SfxSignZero],0001h
test eax,0F0F0h
jz .nozero
mov dword[SfxSignZero],0000h
.nozero
test eax,08080h
jz .nosign
or dword [SfxSignZero],80000h
.nosign
mov dword [SfxOverflow],1
test ax,0c0c0h
jnz .Overflow
mov dword [SfxOverflow],0
.Overflow
mov dword [SfxCarry],1
test ax,0e0e0h
jnz .Carry
mov dword [SfxCarry],0
.Carry
CLRFLAGS
FXReturn
NEWSYM FxOpd71 ; AND RN register & register
ANDRNc 1
NEWSYM FxOpd72 ; AND RN register & register
ANDRNc 2
NEWSYM FxOpd73 ; AND RN register & register
ANDRNc 3
NEWSYM FxOpd74 ; AND RN register & register
ANDRNc 4
NEWSYM FxOpd75 ; AND RN register & register
ANDRNc 5
NEWSYM FxOpd76 ; AND RN register & register
ANDRNc 6
NEWSYM FxOpd77 ; AND RN register & register
ANDRNc 7
NEWSYM FxOpd78 ; AND RN register & register
ANDRNc 8
NEWSYM FxOpd79 ; AND RN register & register
ANDRNc 9
NEWSYM FxOpd7A ; AND RN register & register
ANDRNc 10
NEWSYM FxOpd7B ; AND RN register & register
ANDRNc 11
NEWSYM FxOpd7C ; AND RN register & register
ANDRNc 12
NEWSYM FxOpd7D ; AND RN register & register
ANDRNc 13
NEWSYM FxOpd7E ; AND RN register & register
ANDRNc 14
NEWSYM FxOpd7F ; AND RN register & register
FETCHPIPE
mov eax,[esi] ; Read Source
mov ebx,ebp
sub ebx,[SfxCPB]
and eax,ebx
inc ebp
mov dword [SfxSignZero],eax
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
NEWSYM FxOpd71A1 ; BIC RN register & ~register
BICRNc 1
NEWSYM FxOpd72A1 ; BIC RN register & ~register
BICRNc 2
NEWSYM FxOpd73A1 ; BIC RN register & ~register
BICRNc 3
NEWSYM FxOpd74A1 ; BIC RN register & ~register
BICRNc 4
NEWSYM FxOpd75A1 ; BIC RN register & ~register
BICRNc 5
NEWSYM FxOpd76A1 ; BIC RN register & ~register
BICRNc 6
NEWSYM FxOpd77A1 ; BIC RN register & ~register
BICRNc 7
NEWSYM FxOpd78A1 ; BIC RN register & ~register
BICRNc 8
NEWSYM FxOpd79A1 ; BIC RN register & ~register
BICRNc 9
NEWSYM FxOpd7AA1 ; BIC RN register & ~register
BICRNc 10
NEWSYM FxOpd7BA1 ; BIC RN register & ~register
BICRNc 11
NEWSYM FxOpd7CA1 ; BIC RN register & ~register
BICRNc 12
NEWSYM FxOpd7DA1 ; BIC RN register & ~register
BICRNc 13
NEWSYM FxOpd7EA1 ; BIC RN register & ~register
BICRNc 14
NEWSYM FxOpd7FA1 ; BIC RN register & ~register
FETCHPIPE
mov ebx,ebp
sub ebx,[SfxCPB]
mov eax,[esi] ; Read Source
xor ebx,0FFFFh
and eax,ebx
inc ebp
mov dword [SfxSignZero],eax
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
NEWSYM FxOpd71A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 1
NEWSYM FxOpd72A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 2
NEWSYM FxOpd73A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 3
NEWSYM FxOpd74A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 4
NEWSYM FxOpd75A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 5
NEWSYM FxOpd76A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 6
NEWSYM FxOpd77A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 7
NEWSYM FxOpd78A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 8
NEWSYM FxOpd79A2 ; ANDIRNc and #n - register & immediate
ANDIRNc 9
NEWSYM FxOpd7AA2 ; ANDIRNc and #n - register & immediate
ANDIRNc 10
NEWSYM FxOpd7BA2 ; ANDIRNc and #n - register & immediate
ANDIRNc 11
NEWSYM FxOpd7CA2 ; ANDIRNc and #n - register & immediate
ANDIRNc 12
NEWSYM FxOpd7DA2 ; ANDIRNc and #n - register & immediate
ANDIRNc 13
NEWSYM FxOpd7EA2 ; ANDIRNc and #n - register & immediate
ANDIRNc 14
NEWSYM FxOpd7FA2 ; ANDIRNc and #n - register & immediate
ANDIRNc 15
NEWSYM FxOpd71A3 ; BICIRNc register & ~immediate
BICIRNc 1 ^ 0FFFFh
NEWSYM FxOpd72A3 ; BICIRNc register & ~immediate
BICIRNc 2 ^ 0FFFFh
NEWSYM FxOpd73A3 ; BICIRNc register & ~immediate
BICIRNc 3 ^ 0FFFFh
NEWSYM FxOpd74A3 ; BICIRNc register & ~immediate
BICIRNc 4 ^ 0FFFFh
NEWSYM FxOpd75A3 ; BICIRNc register & ~immediate
BICIRNc 5 ^ 0FFFFh
NEWSYM FxOpd76A3 ; BICIRNc register & ~immediate
BICIRNc 6 ^ 0FFFFh
NEWSYM FxOpd77A3 ; BICIRNc register & ~immediate
BICIRNc 7 ^ 0FFFFh
NEWSYM FxOpd78A3 ; BICIRNc register & ~immediate
BICIRNc 8 ^ 0FFFFh
NEWSYM FxOpd79A3 ; BICIRNc register & ~immediate
BICIRNc 9 ^ 0FFFFh
NEWSYM FxOpd7AA3 ; BICIRNc register & ~immediate
BICIRNc 10 ^ 0FFFFh
NEWSYM FxOpd7BA3 ; BICIRNc register & ~immediate
BICIRNc 11 ^ 0FFFFh
NEWSYM FxOpd7CA3 ; BICIRNc register & ~immediate
BICIRNc 12 ^ 0FFFFh
NEWSYM FxOpd7DA3 ; BICIRNc register & ~immediate
BICIRNc 13 ^ 0FFFFh
NEWSYM FxOpd7EA3 ; BICIRNc register & ~immediate
BICIRNc 14 ^ 0FFFFh
NEWSYM FxOpd7FA3 ; BICIRNc register & ~immediate
BICIRNc 15 ^ 0FFFFh
NEWSYM FxOpd80 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 0
NEWSYM FxOpd81 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 1
NEWSYM FxOpd82 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 2
NEWSYM FxOpd83 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 3
NEWSYM FxOpd84 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 4
NEWSYM FxOpd85 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 5
NEWSYM FxOpd86 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 6
NEWSYM FxOpd87 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 7
NEWSYM FxOpd88 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 8
NEWSYM FxOpd89 ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 9
NEWSYM FxOpd8A ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 10
NEWSYM FxOpd8B ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 11
NEWSYM FxOpd8C ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 12
NEWSYM FxOpd8D ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 13
NEWSYM FxOpd8E ; MULTRNc 8 bit to 16 bit signed multiply, register * register
MULTRNc 14
NEWSYM FxOpd8F ; MULTRNc 8 bit to 16 bit signed multiply, register * register
FETCHPIPE
mov ebx,ebp
mov al,byte [esi] ; Read Source
sub ebx,[SfxCPB]
imul bl
inc ebp
and eax,0FFFFh
mov [SfxSignZero],eax
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
NEWSYM FxOpd80A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 0
NEWSYM FxOpd81A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 1
NEWSYM FxOpd82A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 2
NEWSYM FxOpd83A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 3
NEWSYM FxOpd84A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 4
NEWSYM FxOpd85A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 5
NEWSYM FxOpd86A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 6
NEWSYM FxOpd87A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 7
NEWSYM FxOpd88A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 8
NEWSYM FxOpd89A1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 9
NEWSYM FxOpd8AA1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 10
NEWSYM FxOpd8BA1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 11
NEWSYM FxOpd8CA1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 12
NEWSYM FxOpd8DA1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 13
NEWSYM FxOpd8EA1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
UMULTRNc 14
NEWSYM FxOpd8FA1 ; UMULRN 8 bit to 16 bit unsigned multiply, register * register
FETCHPIPE
mov ebx,ebp
mov al,byte [esi] ; Read Source
sub ebx,[SfxCPB]
mul bl
inc ebp
and eax,0FFFFh
mov [SfxSignZero],eax
mov [edi],eax ; Write Destination
CLRFLAGS
FXReturn
NEWSYM FxOpd80A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 0
NEWSYM FxOpd81A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 1
NEWSYM FxOpd82A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 2
NEWSYM FxOpd83A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 3
NEWSYM FxOpd84A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 4
NEWSYM FxOpd85A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 5
NEWSYM FxOpd86A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 6
NEWSYM FxOpd87A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 7
NEWSYM FxOpd88A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 8
NEWSYM FxOpd89A2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 9
NEWSYM FxOpd8AA2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 10
NEWSYM FxOpd8BA2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 11
NEWSYM FxOpd8CA2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 12
NEWSYM FxOpd8DA2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 13
NEWSYM FxOpd8EA2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 14
NEWSYM FxOpd8FA2 ; MULIRN 8 bit to 16 bit signed multiply, register * immediate
MULTIRNc 15
NEWSYM FxOpd80A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 0
NEWSYM FxOpd81A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 1
NEWSYM FxOpd82A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 2
NEWSYM FxOpd83A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 3
NEWSYM FxOpd84A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 4
NEWSYM FxOpd85A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 5
NEWSYM FxOpd86A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 6
NEWSYM FxOpd87A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 7
NEWSYM FxOpd88A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 8
NEWSYM FxOpd89A3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 9
NEWSYM FxOpd8AA3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 10
NEWSYM FxOpd8BA3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 11
NEWSYM FxOpd8CA3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 12
NEWSYM FxOpd8DA3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 13
NEWSYM FxOpd8EA3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 14
NEWSYM FxOpd8FA3 ;UMULIRN 8 bit to 16 bit unsigned multiply, register * immediate
UMULTIRNc 15
NEWSYM FxOpd90 ; SBK store word to last accessed RAM address ; V
mov ebx,[SfxLastRamAdr] ; Load last ram address
mov eax,[esi] ; Read Source
FETCHPIPE
mov [ebx],al ; Store Word
sub ebx,[SfxRAMMem]
xor ebx,1
add ebx,[SfxRAMMem]
inc ebp ; Increase program counter
mov [ebx],ah ; Store Word
CLRFLAGS
FXReturn
NEWSYM FxOpd91 ; LINKc#n R11 = R15 + immediate
LINKc 1
NEWSYM FxOpd92 ; LINKc#n R11 = R15 + immediate
LINKc 2
NEWSYM FxOpd93 ; LINKc#n R11 = R15 + immediate
LINKc 3
NEWSYM FxOpd94 ; LINKc#n R11 = R15 + immediate
LINKc 4
NEWSYM FxOpd95 ; SEX sign extend 8 bit to 16 bit ; V
movsx eax, byte [esi] ; Read Source
FETCHPIPE
and eax,0FFFFh
inc ebp
mov [edi],eax ; Write Destination
mov [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd96 ; ASR aritmethic shift right by one ; V
mov eax,[esi] ; Read Source
FETCHPIPE
mov [SfxCarry],al
and byte[SfxCarry],1
sar ax,1 ; logic shift right
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov dword [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd96A1 ; DIV2 aritmethic shift right by one ; V
mov eax,[esi] ; Read Source
FETCHPIPE
cmp ax,-1
je .minusone
mov [SfxCarry],al
and byte[SfxCarry],1
sar ax,1 ; logic shift right
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov dword [SfxSignZero],eax
CLRFLAGS
FXReturn
.minusone
mov byte[SfxCarry],1
xor eax,eax
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov dword [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd97 ; ROR rotate right by one ; V
FETCHPIPE
mov eax,[esi] ; Read Source
shr byte[SfxCarry],1
rcr ax,1
setc byte[SfxCarry]
inc ebp ; Increase program counter
mov [edi],eax ; Write Destination
mov [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd98 ; JMPRNc jump to address of register
JMPRNc 8
NEWSYM FxOpd99 ; JMPRNc jump to address of register
JMPRNc 9
NEWSYM FxOpd9A ; JMPRNc jump to address of register
JMPRNc 10
NEWSYM FxOpd9B ; JMPRNc jump to address of register
JMPRNc 11
NEWSYM FxOpd9C ; JMPRNc jump to address of register
JMPRNc 12
NEWSYM FxOpd9D ; JMPRNc jump to address of register
JMPRNc 13
NEWSYM FxOpd98A1 ; LJMPRNc set program bank to source register and jump to address of register
LJMPRNc 8
NEWSYM FxOpd99A1 ; LJMPRNc set program bank to source register and jump to address of register
LJMPRNc 9
NEWSYM FxOpd9AA1 ; LJMPRNc set program bank to source register and jump to address of register
LJMPRNc 10
NEWSYM FxOpd9BA1 ; LJMPRNc set program bank to source register and jump to address of register
LJMPRNc 11
NEWSYM FxOpd9CA1 ; LJMPRNc set program bank to source register and jump to address of register
LJMPRNc 12
NEWSYM FxOpd9DA1 ; LJMPRNc set program bank to source register and jump to address of register
LJMPRNc 13
NEWSYM FxOpd9E ; LOB set upper byte to zero (keep low byte) ; V
mov eax,[esi] ; Read Source
FETCHPIPE
and eax,0FFh
inc ebp
mov [edi],eax ; Write Destination
shl eax,8
mov dword [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpd9F ; FMULT 16 bit to 32 bit signed multiplication, upper 16 bits only
; V
mov eax,[esi] ; Read Source
mov ebx,[SfxR6]
FETCHPIPE
imul bx
inc ebp
and edx,0FFFFh
mov [SfxSignZero],edx
mov [edi],edx ; Write Destination
shr ax,15
mov [SfxCarry],al
CLRFLAGS
FXReturn
NEWSYM FxOpd9FA1 ; LMULT 16 bit to 32 bit signed multiplication ; V
mov eax,[esi] ; Read Source
mov ebx,[SfxR6]
FETCHPIPE
imul bx
and edx,0FFFFh
inc ebp
mov [edi],edx ; Write Destination
mov [SfxR4],ax
mov [SfxSignZero],edx
shr ax,15
mov [SfxCarry],al
CLRFLAGS
FXReturn
NEWSYM FxOpdA0 ; IBTRNc,#PP immediate byte transfer
IBTRNc 0
NEWSYM FxOpdA1 ; IBTRNc,#PP immediate byte transfer
IBTRNc 1
NEWSYM FxOpdA2 ; IBTRNc,#PP immediate byte transfer
IBTRNc 2
NEWSYM FxOpdA3 ; IBTRNc,#PP immediate byte transfer
IBTRNc 3
NEWSYM FxOpdA4 ; IBTRNc,#PP immediate byte transfer
IBTRNc 4
NEWSYM FxOpdA5 ; IBTRNc,#PP immediate byte transfer
IBTRNc 5
NEWSYM FxOpdA6 ; IBTRNc,#PP immediate byte transfer
IBTRNc 6
NEWSYM FxOpdA7 ; IBTRNc,#PP immediate byte transfer
IBTRNc 7
NEWSYM FxOpdA8 ; IBTRNc,#PP immediate byte transfer
IBTRNc 8
NEWSYM FxOpdA9 ; IBTRNc,#PP immediate byte transfer
IBTRNc 9
NEWSYM FxOpdAA ; IBTRNc,#PP immediate byte transfer
IBTRNc 10
NEWSYM FxOpdAB ; IBTRNc,#PP immediate byte transfer
IBTRNc 11
NEWSYM FxOpdAC ; IBTRNc,#PP immediate byte transfer
IBTRNc 12
NEWSYM FxOpdAD ; IBTRNc,#PP immediate byte transfer
IBTRNc 13
NEWSYM FxOpdAE ; IBTRNc,#PP immediate byte transfer
movsx eax,byte[ebp]
mov cl,[ebp+1]
add ebp,2
mov [SfxR0+14*4],ax
UpdateR14
CLRFLAGS
FXReturn
NEWSYM FxOpdAF ; IBTRNc,#PP immediate byte transfer
movsx eax,byte[ebp]
mov cl,[ebp+1]
and eax,0FFFFh
mov ebp,[SfxCPB]
add ebp,eax
CLRFLAGS
FXReturn
NEWSYM FxOpdA0A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 0
NEWSYM FxOpdA1A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 1
NEWSYM FxOpdA2A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 2
NEWSYM FxOpdA3A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 3
NEWSYM FxOpdA4A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 4
NEWSYM FxOpdA5A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 5
NEWSYM FxOpdA6A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 6
NEWSYM FxOpdA7A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 7
NEWSYM FxOpdA8A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 8
NEWSYM FxOpdA9A1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 9
NEWSYM FxOpdAAA1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 10
NEWSYM FxOpdABA1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 11
NEWSYM FxOpdACA1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 12
NEWSYM FxOpdADA1 ; LMS rn,(yy) load word from RAM (short address)
LMSRNc 13
NEWSYM FxOpdAEA1 ; LMS rn,(yy) load word from RAM (short address)
xor eax,eax
mov al,[ebp]
add eax,eax
inc ebp
add eax,[SfxRAMMem]
mov cl,[ebp]
mov dword [SfxLastRamAdr],eax
mov ebx,[eax] ; Read word from ram
inc ebp
mov [SfxR0+14*4],bx ; Write data
UpdateR14
CLRFLAGS
FXReturn
NEWSYM FxOpdAFA1 ; LMS rn,(yy) load word from RAM (short address)
xor eax,eax
mov al,[ebp]
add eax,eax
inc ebp
add eax,[SfxRAMMem]
mov cl,[ebp]
mov dword [SfxLastRamAdr],eax
mov ebx,[eax] ; Read word from ram
and ebx,0FFFFh
mov ebp,[SfxCPB]
add ebp,ebx
CLRFLAGS
FXReturn
NEWSYM FxOpdA0A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 0
NEWSYM FxOpdA1A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 1
NEWSYM FxOpdA2A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 2
NEWSYM FxOpdA3A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 3
NEWSYM FxOpdA4A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 4
NEWSYM FxOpdA5A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 5
NEWSYM FxOpdA6A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 6
NEWSYM FxOpdA7A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 7
NEWSYM FxOpdA8A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 8
NEWSYM FxOpdA9A2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 9
NEWSYM FxOpdAAA2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 10
NEWSYM FxOpdABA2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 11
NEWSYM FxOpdACA2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 12
NEWSYM FxOpdADA2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 13
NEWSYM FxOpdAEA2 ; SMS (yy),rn store word in RAM (short address)
SMSRNc 14
NEWSYM FxOpdAFA2 ; SMS (yy),rn store word in RAM (short address)
xor eax,eax
mov ebx,ebp
sub ebx,[SfxCPB]
mov al,[ebp]
inc ebp
add eax,eax
FETCHPIPE
add eax,[SfxRAMMem]
mov dword [SfxLastRamAdr],eax
inc ebp
mov [eax],bx ; Write word to ram
CLRFLAGS
FXReturn
NEWSYM FxOpdB0 ; FROM rn set source register
FROMRNd 0
NEWSYM FxOpdB1 ; FROM rn set source register
FROMRNd 1
NEWSYM FxOpdB2 ; FROM rn set source register
FROMRNd 2
NEWSYM FxOpdB3 ; FROM rn set source register
FROMRNd 3
NEWSYM FxOpdB4 ; FROM rn set source register
FROMRNd 4
NEWSYM FxOpdB5 ; FROM rn set source register
FROMRNd 5
NEWSYM FxOpdB6 ; FROM rn set source register
FROMRNd 6
NEWSYM FxOpdB7 ; FROM rn set source register
FROMRNd 7
NEWSYM FxOpdB8 ; FROM rn set source register
FROMRNd 8
NEWSYM FxOpdB9 ; FROM rn set source register
FROMRNd 9
NEWSYM FxOpdBA ; FROM rn set source register
FROMRNd 10
NEWSYM FxOpdBB ; FROM rn set source register
FROMRNd 11
NEWSYM FxOpdBC ; FROM rn set source register
FROMRNd 12
NEWSYM FxOpdBD ; FROM rn set source register
FROMRNd 13
NEWSYM FxOpdBE ; FROM rn set source register
FROMRNd 14
NEWSYM FxOpdBF ; FROM rn set source register
FETCHPIPE
mov esi,SfxR0+15*4
inc ebp ; Increase program counter
mov eax,ebp
sub eax,[SfxCPB]
mov [SfxR15],eax
call [FxTableb+ecx*4]
mov esi,SfxR0
FXReturn
NEWSYM FxOpdC0 ; HIB move high-byte to low-byte ; V
mov eax,[esi] ; Read Source
FETCHPIPE
and eax,0FF00h
mov dword [SfxSignZero],eax
shr eax,8
inc ebp
mov [edi],eax
CLRFLAGS
FXReturn
NEWSYM FxOpdC1 ; OR rn or rn
ORRNc 1
NEWSYM FxOpdC2 ; OR rn or rn
ORRNc 2
NEWSYM FxOpdC3 ; OR rn or rn
ORRNc 3
NEWSYM FxOpdC4 ; OR rn or rn
ORRNc 4
NEWSYM FxOpdC5 ; OR rn or rn
ORRNc 5
NEWSYM FxOpdC6 ; OR rn or rn
ORRNc 6
NEWSYM FxOpdC7 ; OR rn or rn
ORRNc 7
NEWSYM FxOpdC8 ; OR rn or rn
ORRNc 8
NEWSYM FxOpdC9 ; OR rn or rn
ORRNc 9
NEWSYM FxOpdCA ; OR rn or rn
ORRNc 10
NEWSYM FxOpdCB ; OR rn or rn
ORRNc 11
NEWSYM FxOpdCC ; OR rn or rn
ORRNc 12
NEWSYM FxOpdCD ; OR rn or rn
ORRNc 13
NEWSYM FxOpdCE ; OR rn or rn
ORRNc 14
NEWSYM FxOpdCF ; OR rn or rn
mov eax,[esi] ; Read Source
mov ebx,ebp
FETCHPIPE
sub ebx,[SfxCPB]
or eax,ebx
inc ebp
mov [edi],eax ; Write DREG
mov [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpdC1A1 ; XOR rn xor rn
XORRNc 1
NEWSYM FxOpdC2A1 ; XOR rn xor rn
XORRNc 2
NEWSYM FxOpdC3A1 ; XOR rn xor rn
XORRNc 3
NEWSYM FxOpdC4A1 ; XOR rn xor rn
XORRNc 4
NEWSYM FxOpdC5A1 ; XOR rn xor rn
XORRNc 5
NEWSYM FxOpdC6A1 ; XOR rn xor rn
XORRNc 6
NEWSYM FxOpdC7A1 ; XOR rn xor rn
XORRNc 7
NEWSYM FxOpdC8A1 ; XOR rn xor rn
XORRNc 8
NEWSYM FxOpdC9A1 ; XOR rn xor rn
XORRNc 9
NEWSYM FxOpdCAA1 ; XOR rn xor rn
XORRNc 10
NEWSYM FxOpdCBA1 ; XOR rn xor rn
XORRNc 11
NEWSYM FxOpdCCA1 ; XOR rn xor rn
XORRNc 12
NEWSYM FxOpdCDA1 ; XOR rn xor rn
XORRNc 13
NEWSYM FxOpdCEA1 ; XOR rn xor rn
XORRNc 14
NEWSYM FxOpdCFA1 ; XOR rn xor rn
FETCHPIPE
mov eax,[esi] ; Read Source
mov ebx,ebp
sub ebx,[SfxCPB]
xor eax,ebx
inc ebp
mov [edi],eax ; Write DREG
mov [SfxSignZero],eax
CLRFLAGS
FXReturn
NEWSYM FxOpdC1A2 ; OR #n OR #n
ORIc 1
NEWSYM FxOpdC2A2 ; OR #n OR #n
ORIc 2
NEWSYM FxOpdC3A2 ; OR #n OR #n
ORIc 3
NEWSYM FxOpdC4A2 ; OR #n OR #n
ORIc 4
NEWSYM FxOpdC5A2 ; OR #n OR #n
ORIc 5
NEWSYM FxOpdC6A2 ; OR #n OR #n
ORIc 6
NEWSYM FxOpdC7A2 ; OR #n OR #n
ORIc 7
NEWSYM FxOpdC8A2 ; OR #n OR #n
ORIc 8
NEWSYM FxOpdC9A2 ; OR #n OR #n
ORIc 9
NEWSYM FxOpdCAA2 ; OR #n OR #n
ORIc 10
NEWSYM FxOpdCBA2 ; OR #n OR #n
ORIc 11
NEWSYM FxOpdCCA2 ; OR #n OR #n
ORIc 12
NEWSYM FxOpdCDA2 ; OR #n OR #n
ORIc 13
NEWSYM FxOpdCEA2 ; OR #n OR #n
ORIc 14
NEWSYM FxOpdCFA2 ; OR #n OR #n
ORIc 15
NEWSYM FxOpdC1A3 ; XOR #n xor #n
XORIc 1
NEWSYM FxOpdC2A3 ; XOR #n xor #n
XORIc 2
NEWSYM FxOpdC3A3 ; XOR #n xor #n
XORIc 3
NEWSYM FxOpdC4A3 ; XOR #n xor #n
XORIc 4
NEWSYM FxOpdC5A3 ; XOR #n xor #n
XORIc 5
NEWSYM FxOpdC6A3 ; XOR #n xor #n
XORIc 6
NEWSYM FxOpdC7A3 ; XOR #n xor #n
XORIc 7
NEWSYM FxOpdC8A3 ; XOR #n xor #n
XORIc 8
NEWSYM FxOpdC9A3 ; XOR #n xor #n
XORIc 9
NEWSYM FxOpdCAA3 ; XOR #n xor #n
XORIc 10
NEWSYM FxOpdCBA3 ; XOR #n xor #n
XORIc 11
NEWSYM FxOpdCCA3 ; XOR #n xor #n
XORIc 12
NEWSYM FxOpdCDA3 ; XOR #n xor #n
XORIc 13
NEWSYM FxOpdCEA3 ; XOR #n xor #n
XORIc 14
NEWSYM FxOpdCFA3 ; XOR #n xor #n
XORIc 15
NEWSYM FxOpdD0 ; INC rn increase by one
INCRNc 0
NEWSYM FxOpdD1 ; INC rn increase by one
INCRNc 1
NEWSYM FxOpdD2 ; INC rn increase by one
INCRNc 2
NEWSYM FxOpdD3 ; INC rn increase by one
INCRNc 3
NEWSYM FxOpdD4 ; INC rn increase by one
INCRNc 4
NEWSYM FxOpdD5 ; INC rn increase by one
INCRNc 5
NEWSYM FxOpdD6 ; INC rn increase by one
INCRNc 6
NEWSYM FxOpdD7 ; INC rn increase by one
INCRNc 7
NEWSYM FxOpdD8 ; INC rn increase by one
INCRNc 8
NEWSYM FxOpdD9 ; INC rn increase by one
INCRNc 9
NEWSYM FxOpdDA ; INC rn increase by one
INCRNc 10
NEWSYM FxOpdDB ; INC rn increase by one
INCRNc 11
NEWSYM FxOpdDC ; INC rn increase by one
INCRNc 12
NEWSYM FxOpdDD ; INC rn increase by one
INCRNc 13
NEWSYM FxOpdDE ; INC rn increase by one
FETCHPIPE
mov eax,[SfxR0+14*4] ; Read Source
inc ax
mov [SfxR0+14*4],eax
mov [SfxSignZero],eax
CLRFLAGS
inc ebp
UpdateR14
FXReturn
NEWSYM FxOpdDF ; GETC transfer ROM buffer to color register
mov eax,[SfxRomBuffer]
FETCHPIPE
mov eax,[eax]
test byte[SfxPOR],04h
jz .nohighnibble
mov bl,al
shr bl,4
and al,0F0h
or al,bl
.nohighnibble
test byte[SfxPOR],08h
jnz .preserveupper
cmp [SfxCOLR],al
je .nocolchange
mov [SfxCOLR],al
and eax,0FFh
mov ebx,[fxbit01+eax*4]
mov [fxbit01pcal],ebx
mov ebx,[fxbit23+eax*4]
mov [fxbit23pcal],ebx
mov ebx,[fxbit45+eax*4]
mov [fxbit45pcal],ebx
mov ebx,[fxbit67+eax*4]
mov [fxbit67pcal],ebx
.nocolchange
CLRFLAGS
inc ebp ; Increase program counter
FXReturn
.preserveupper
mov bl,[SfxCOLR]
and al,0Fh
and bl,0F0h
or al,bl
cmp [SfxCOLR],al
je .nocolchange
mov [SfxCOLR],al
and eax,0FFh
mov ebx,[fxbit01+eax*4]
mov [fxbit01pcal],ebx
mov ebx,[fxbit23+eax*4]
mov [fxbit23pcal],ebx
mov ebx,[fxbit45+eax*4]
mov [fxbit45pcal],ebx
mov ebx,[fxbit67+eax*4]
mov [fxbit67pcal],ebx
CLRFLAGS
inc ebp ; Increase program counter
FXReturn
NEWSYM FxOpdDFA2 ; RAMB set current RAM bank ; Verified
mov eax,[esi] ; Read Source
mov ebx,[SfxnRamBanks]
FETCHPIPE
dec ebx
and eax,ebx
mov dword [SfxRAMBR],eax
shl eax,16
add eax,[sfxramdata]
mov dword [SfxRAMMem],eax
CLRFLAGS
inc ebp
FXReturn
NEWSYM FxOpdDFA3 ; ROMB set current ROM bank ; Verified
mov eax,[esi] ; Read Source
and eax,07Fh
FETCHPIPE
mov dword [SfxROMBR],eax
mov eax,[SfxMemTable+eax*4]
mov [SfxCROM],eax
CLRFLAGS
inc ebp
FXReturn
NEWSYM FxOpdE0 ; DEC rn decrement by one
DECRNc 0
NEWSYM FxOpdE1 ; DEC rn decrement by one
DECRNc 1
NEWSYM FxOpdE2 ; DEC rn decrement by one
DECRNc 2
NEWSYM FxOpdE3 ; DEC rn decrement by one
DECRNc 3
NEWSYM FxOpdE4 ; DEC rn decrement by one
DECRNc 4
NEWSYM FxOpdE5 ; DEC rn decrement by one
DECRNc 5
NEWSYM FxOpdE6 ; DEC rn decrement by one
DECRNc 6
NEWSYM FxOpdE7 ; DEC rn decrement by one
DECRNc 7
NEWSYM FxOpdE8 ; DEC rn decrement by one
DECRNc 8
NEWSYM FxOpdE9 ; DEC rn decrement by one
DECRNc 9
NEWSYM FxOpdEA ; DEC rn decrement by one
DECRNc 10
NEWSYM FxOpdEB ; DEC rn decrement by one
DECRNc 11
NEWSYM FxOpdEC ; DEC rn decrement by one
DECRNc 12
NEWSYM FxOpdED ; DEC rn decrement by one
DECRNc 13
NEWSYM FxOpdEE ; DEC rn decrement by one
dec word[SfxR0+14*4]
FETCHPIPE
mov eax,[SfxR0+14*4] ; Read Source
mov [SfxSignZero],eax
UpdateR14
CLRFLAGS
inc ebp
FXReturn
NEWSYM FxOpdEF ; getb get byte from ROM at address R14 ; V
FETCHPIPE
mov eax,[SfxRomBuffer]
inc ebp
mov eax,[eax]
and eax,0FFh
; cmp edi,SfxR15
; je .nor15
mov [edi],eax ; Write DREG
CLRFLAGS
FXReturn
.nor15
or eax,8000h
mov [edi],eax ; Write DREG
CLRFLAGS
FXReturn
add eax,ebp
sub eax,[SfxCPB]
mov [SfxR15],eax
CLRFLAGS
FXReturn
NEWSYM FxOpdEFA1 ; getbh get high-byte from ROM at address R14 ; V
mov eax,[esi] ; Read Source
mov ebx,[SfxRomBuffer]
and eax,0FFh
FETCHPIPE
mov ah,[ebx]
inc ebp
mov [edi],eax ; Write DREG
CLRFLAGS
FXReturn
NEWSYM FxOpdEFA2 ; getbl get low-byte from ROM at address R14 ; V
mov eax,[esi] ; Read Source
mov ebx,[SfxRomBuffer]
and eax,0FF00h
FETCHPIPE
mov al,[ebx]
inc ebp
mov [edi],eax ; Write DREG
CLRFLAGS
FXReturn
NEWSYM FxOpdEFA3 ; getbs get sign extended byte from ROM at address R14 ; V
mov ebx,[SfxRomBuffer]
FETCHPIPE
movsx eax,byte[ebx]
inc ebp
mov [edi],ax ; Write DREG
CLRFLAGS
FXReturn
NEWSYM FxOpdF0 ; IWT RN,#xx immediate word transfer to register
IWTRNc 0
NEWSYM FxOpdF1 ; IWT RN,#xx immediate word transfer to register
IWTRNc 1
NEWSYM FxOpdF2 ; IWT RN,#xx immediate word transfer to register
IWTRNc 2
NEWSYM FxOpdF3 ; IWT RN,#xx immediate word transfer to register
IWTRNc 3
NEWSYM FxOpdF4 ; IWT RN,#xx immediate word transfer to register
IWTRNc 4
NEWSYM FxOpdF5 ; IWT RN,#xx immediate word transfer to register
IWTRNc 5
NEWSYM FxOpdF6 ; IWT RN,#xx immediate word transfer to register
IWTRNc 6
NEWSYM FxOpdF7 ; IWT RN,#xx immediate word transfer to register
IWTRNc 7
NEWSYM FxOpdF8 ; IWT RN,#xx immediate word transfer to register
IWTRNc 8
NEWSYM FxOpdF9 ; IWT RN,#xx immediate word transfer to register
IWTRNc 9
NEWSYM FxOpdFA ; IWT RN,#xx immediate word transfer to register
IWTRNc 10
NEWSYM FxOpdFB ; IWT RN,#xx immediate word transfer to register
IWTRNc 11
NEWSYM FxOpdFC ; IWT RN,#xx immediate word transfer to register
IWTRNc 12
NEWSYM FxOpdFD ; IWT RN,#xx immediate word transfer to register
IWTRNc 13
NEWSYM FxOpdFE ; IWT RN,#xx immediate word transfer to register
mov eax,[ebp]
mov cl,[ebp+2]
and eax,0FFFFh
add ebp,3
mov [SfxR0+14*4],eax
UpdateR14
CLRFLAGS
FXReturn
NEWSYM FxOpdFF ; IWT RN,#xx immediate word transfer to register
mov eax,[ebp]
mov cl,[ebp+2]
and eax,0FFFFh
mov ebp,[SfxCPB]
add ebp,eax
CLRFLAGS
FXReturn
NEWSYM FxOpdF0A1 ; LM RN,(XX) load word from RAM
LMRNc 0
NEWSYM FxOpdF1A1 ; LM RN,(XX) load word from RAM
LMRNc 1
NEWSYM FxOpdF2A1 ; LM RN,(XX) load word from RAM
LMRNc 2
NEWSYM FxOpdF3A1 ; LM RN,(XX) load word from RAM
LMRNc 3
NEWSYM FxOpdF4A1 ; LM RN,(XX) load word from RAM
LMRNc 4
NEWSYM FxOpdF5A1 ; LM RN,(XX) load word from RAM
LMRNc 5
NEWSYM FxOpdF6A1 ; LM RN,(XX) load word from RAM
LMRNc 6
NEWSYM FxOpdF7A1 ; LM RN,(XX) load word from RAM
LMRNc 7
NEWSYM FxOpdF8A1 ; LM RN,(XX) load word from RAM
LMRNc 8
NEWSYM FxOpdF9A1 ; LM RN,(XX) load word from RAM
LMRNc 9
NEWSYM FxOpdFAA1 ; LM RN,(XX) load word from RAM
LMRNc 10
NEWSYM FxOpdFBA1 ; LM RN,(XX) load word from RAM
LMRNc 11
NEWSYM FxOpdFCA1 ; LM RN,(XX) load word from RAM
LMRNc 12
NEWSYM FxOpdFDA1 ; LM RN,(XX) load word from RAM
LMRNc 13
NEWSYM FxOpdFEA1 ; LM RN,(XX) load word from RAM
xor eax,eax
mov cl,[ebp+2]
mov ax,[ebp]
mov ebx,[SfxRAMMem]
mov [SfxLastRamAdr],eax
add [SfxLastRamAdr],ebx
mov dl,[eax+ebx]
xor eax,1
add ebp,3
mov dh,[eax+ebx]
mov word [SfxR0+14*4],dx ; Store Word
UpdateR14
CLRFLAGS
FXReturn
NEWSYM FxOpdFFA1 ; LM RN,(XX) load word from RAM
FETCHPIPE
mov eax,ecx
inc ebp
FETCHPIPE
inc ebp
mov ah,cl
FETCHPIPE
mov ebx,[SfxRAMMem]
mov [SfxLastRamAdr],eax
add [SfxLastRamAdr],ebx
mov dl,[eax+ebx]
xor eax,1
mov dh,[eax+ebx]
and edx,0FFFFh
mov ebp,[SfxCPB]
add ebp,edx
CLRFLAGS
FXReturn
NEWSYM FxOpdF0A2 ; SM (XX),RN store word in RAM
SMRNc 0
NEWSYM FxOpdF1A2 ; SM (XX),RN store word in RAM
SMRNc 1
NEWSYM FxOpdF2A2 ; SM (XX),RN store word in RAM
SMRNc 2
NEWSYM FxOpdF3A2 ; SM (XX),RN store word in RAM
SMRNc 3
NEWSYM FxOpdF4A2 ; SM (XX),RN store word in RAM
SMRNc 4
NEWSYM FxOpdF5A2 ; SM (XX),RN store word in RAM
SMRNc 5
NEWSYM FxOpdF6A2 ; SM (XX),RN store word in RAM
SMRNc 6
NEWSYM FxOpdF7A2 ; SM (XX),RN store word in RAM
SMRNc 7
NEWSYM FxOpdF8A2 ; SM (XX),RN store word in RAM
SMRNc 8
NEWSYM FxOpdF9A2 ; SM (XX),RN store word in RAM
SMRNc 9
NEWSYM FxOpdFAA2 ; SM (XX),RN store word in RAM
SMRNc 10
NEWSYM FxOpdFBA2 ; SM (XX),RN store word in RAM
SMRNc 11
NEWSYM FxOpdFCA2 ; SM (XX),RN store word in RAM
SMRNc 12
NEWSYM FxOpdFDA2 ; SM (XX),RN store word in RAM
SMRNc 13
NEWSYM FxOpdFEA2 ; SM (XX),RN store word in RAM
SMRNc 14
NEWSYM FxOpdFFA2 ; SM (XX),RN store word in RAM
FETCHPIPE
mov ebx,ebp
sub ebx,[SfxCPB]
mov eax,ecx
inc ebp
FETCHPIPE
inc ebp
mov ah,cl
FETCHPIPE
mov dx,bx
mov ebx,[SfxRAMMem]
mov [SfxLastRamAdr],eax
add [SfxLastRamAdr],ebx
mov [eax+ebx],dl
xor eax,1
inc ebp
mov [eax+ebx],dh
CLRFLAGS
FXReturn
NEWSYM FxEmu2CAsmEnd
Reference in New Issue View Git Blame Copy Permalink