671 lines
21 KiB
NASM
671 lines
21 KiB
NASM
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NAME c0
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PAGE 60,132
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;[]------------------------------------------------------------[]
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;| C0.ASM -- Start Up Code |
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;| |
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;| Turbo-C Run Time Library version 2.0 |
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;| |
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;| Copyright (c) 1988 by Borland International Inc. |
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;| All Rights Reserved. |
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;[]------------------------------------------------------------[]
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INCLUDE RULES.ASI
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_Strict87_ equ false ; emulation skips peculiar details
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; Segment and Group declarations
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_TEXT SEGMENT BYTE PUBLIC 'CODE'
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_TEXT ENDS
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_DATA SEGMENT PARA PUBLIC 'DATA'
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_DATA ENDS
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IFNDEF __NOFLOAT__
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_EMUSEG SEGMENT WORD COMMON 'DATA'
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_EMUSEG ENDS
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ENDIF
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_CRTSEG SEGMENT WORD COMMON 'DATA'
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_CRTSEG ENDS
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_CVTSEG SEGMENT WORD PUBLIC 'DATA'
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_CVTSEG ENDS
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_SCNSEG SEGMENT WORD PUBLIC 'DATA'
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_SCNSEG ENDS
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IFNDEF __HUGE__
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_BSS SEGMENT WORD PUBLIC 'BSS'
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_BSS ENDS
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_BSSEND SEGMENT BYTE PUBLIC 'STACK'
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_BSSEND ENDS
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ENDIF
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IFNDEF __TINY__
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_STACK SEGMENT STACK 'STACK'
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_STACK ENDS
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ENDIF
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IFNDEF __NOFLOAT__
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IF LDATA
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IFNDEF __HUGE__
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DGROUP GROUP _DATA, _EMUSEG, _CRTSEG, _CVTSEG, _SCNSEG, _BSS, _BSSEND
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ELSE
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DGROUP GROUP _DATA, _EMUSEG, _CRTSEG, _CVTSEG, _SCNSEG
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ENDIF
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ELSE
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IFNDEF __TINY__
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DGROUP GROUP _DATA, _EMUSEG, _CRTSEG, _CVTSEG, _SCNSEG, _BSS, _BSSEND
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ELSE
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DGROUP GROUP _TEXT, _DATA, _EMUSEG, _CRTSEG, _CVTSEG, _SCNSEG, _BSS, _BSSEND
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ENDIF
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ENDIF
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ELSE
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IF LDATA
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IFNDEF __HUGE__
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DGROUP GROUP _DATA, _CRTSEG, _CVTSEG, _SCNSEG, _BSS, _BSSEND
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ELSE
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DGROUP GROUP _DATA, _CRTSEG, _CVTSEG, _SCNSEG
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ENDIF
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ELSE
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IFNDEF __TINY__
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DGROUP GROUP _DATA, _CRTSEG, _CVTSEG, _SCNSEG, _BSS, _BSSEND
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ELSE
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DGROUP GROUP _TEXT, _DATA, _CRTSEG, _CVTSEG, _SCNSEG, _BSS, _BSSEND
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ENDIF
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ENDIF
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ENDIF
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ASSUME CS:_TEXT, DS:DGROUP
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; External References
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ExtProc@ main, __CDECL__
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ExtProc@ _setargv, __CDECL__
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ExtProc@ _setenvp, __CDECL__
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ExtProc@ exit, __CDECL__
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IF LDATA EQ false
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ExtSym@ _heaplen, WORD, __CDECL__
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ENDIF
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ExtSym@ _stklen, WORD, __CDECL__
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SUBTTL Start Up Code
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PAGE
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;/* */
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;/*-----------------------------------------------------*/
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;/* */
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;/* Start Up Code */
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;/* ------------- */
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;/* */
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;/*-----------------------------------------------------*/
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;/* */
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PSPHigh equ 00002h
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PSPEnv equ 0002ch
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PSPCmd equ 00080h
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IFDEF __NOFLOAT__
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MINSTACK equ 128 ; minimal stack size in words
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ELSE
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MINSTACK equ 256 ; minimal stack size in words
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ENDIF
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;
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; At the start, DS and ES both point to the segment prefix.
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; SS points to the stack segment except in TINY model where
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; SS is equal to CS
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;
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_TEXT SEGMENT
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IFDEF __TINY__
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ORG 100h
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ENDIF
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STARTX PROC NEAR
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; Save general information, such as :
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; DGROUP segment address
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; DOS version number
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; Program Segment Prefix address
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; Environment address
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; Top of far heap
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IFDEF __TINY__
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mov dx, cs ; DX = GROUP Segment address
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ELSE
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mov dx, DGROUP ; DX = GROUP Segment address
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ENDIF
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mov cs:DGROUP@@, dx
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mov ah, 30h
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int 21h
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mov bp, ds:[PSPHigh]; BP = Highest Memory Segment Addr
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mov bx, ds:[PSPEnv] ; BX = Environment Segment address
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mov ds, dx
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mov _version@, ax ; Keep major and minor version number
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mov _psp@, es ; Keep Program Segment Prefix address
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mov _envseg@, bx ; Keep Environment Segment address
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mov word ptr _heaptop@ + 2, bp
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mov _8087@, -1
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;
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; Save several vectors and install default divide by zero handler.
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;
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call SaveVectors
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; Look for a '87' environment variable, and use this loop to
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; count the number of environment variables and to compute the
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; environment size.
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; Each variable is ended by a 0 and a zero-length variable stops
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; the environment. The environment can NOT be greater than 32k.
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les di, dword ptr _envLng@
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mov ax, di
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mov bx, ax
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mov cx, 07FFFh ; Environment cannot be > 32 Kbytes
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IsIt87Var label near
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cmp word ptr es:[di], '78'
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jne GetVarLng
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mov dx, es:[di+2]
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cmp dl, '='
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jne GetVarLng
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and dh, not ' '
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inc _8087@
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cmp dh, 'Y'
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jne GetVarLng
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inc _8087@
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GetVarLng label near
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repnz scasb
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jcxz InitFailed ; Bad environment !!!
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inc bx ; BX = Nb environment variables
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cmp es:[di], al
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jne IsIt87Var ; Next variable ...
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or ch, 10000000b
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neg cx
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mov _envLng@, cx ; Save Environment size
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mov cx, dPtrSize / 2
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shl bx, cl
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add bx, dPtrSize * 4
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and bx, not ((dPtrSize * 4) - 1)
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mov _envSize@, bx ; Save Environment Variables Nb.
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; Determine the amount of memory that we need to keep
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IF LDATA
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mov dx, ss
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sub bp, dx ; BP = remaining size in paragraphs
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IFDEF __HUGE__
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mov di, seg _stklen@
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mov es, di
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mov di, es:_stklen@ ; DI = Requested stack size
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ELSE
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mov di, _stklen@ ; DI = Requested stack size
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ENDIF
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;
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; Make sure that the requested stack size is at least MINSTACK words.
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;
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cmp di, 2*MINSTACK ; requested stack big enough ?
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jae AskedStackOK
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mov di, 2*MINSTACK ; no --> use minimal value
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IFDEF __HUGE__
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mov es:_stklen@, di ; override requested stack size
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ELSE
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mov _stklen@, di ; override requested stack size
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ENDIF
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AskedStackOK label near
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mov cl, 4
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shr di, cl ; $$$ Do not destroy CL $$$
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inc di ; DI = Stack size in paragraphs
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cmp bp, di
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jnb ExcessOfMemory ; Much more available than needed
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ELSE
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mov dx, ds
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sub bp, dx ; BP = remaining size in paragraphs
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mov di, _stklen@ ; DI = Requested stack size
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;
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; Make sure that the requested stack size is at least MINSTACK words.
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;
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cmp di, 2*MINSTACK ; requested stack big enough ?
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jae AskedStackOK
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mov di, 2*MINSTACK ; no --> use minimal value
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mov _stklen@, di ; override requested stack size
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AskedStackOK label near
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add di, offset DGROUP: edata@
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jb InitFailed ; DATA segment can NOT be > 64 Kbytes
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add di, _heaplen@
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jb InitFailed ; DATA segment can NOT be > 64 Kbytes
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mov cl, 4
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shr di, cl ; $$$ Do not destroy CL $$$
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inc di ; DI = DS size in paragraphs
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cmp bp, di
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jb InitFailed ; Not enough memory
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cmp _stklen@, 0
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je ExpandDS ; Expand DS up to 64 Kb
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cmp _heaplen@, 0
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jne ExcessOfMemory ; Much more available than needed
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ExpandDS label near
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mov di, 1000h
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cmp bp, di
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ja ExcessOfMemory ; Enough to run the program
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mov di, bp
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jmp short ExcessOfMemory ; Enough to run the program
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ENDIF
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; All initialization errors arrive here
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InitFailed label near
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jmp near ptr abort@
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; Return to DOS the amount of memory in excess
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; Set far heap base and pointer
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ExcessOfMemory label near
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mov bx, di
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add bx, dx
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mov word ptr _heapbase@ + 2, bx
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mov word ptr _brklvl@ + 2, bx
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mov ax, _psp@
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sub bx, ax ; BX = Number of paragraphs to keep
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mov es, ax ; ES = Program Segment Prefix address
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mov ah, 04Ah
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push di ; preserve DI
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int 021h ; this call clobbers SI,DI,BP !!!!!!
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pop di ; restore DI
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;
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; Set the program stack. Take care to prevent the disastrous
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; interrupt that could happen with a stack that is half switched.
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;
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shl di, cl ; $$$ CX is still equal to 4 $$$
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cli
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mov ss, dx
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mov sp, di
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sti
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IFNDEF __HUGE__
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; Reset uninitialized data area
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xor ax, ax
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mov es, cs:DGROUP@@
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mov di, offset DGROUP: bdata@
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mov cx, offset DGROUP: edata@
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sub cx, di
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rep stosb
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ENDIF
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IFNDEF __NOFLOAT__
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; Install floating point software
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push cs ;Simulation of a FAR call
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call ds:[__emu1st]
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ENDIF
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; Prepare main arguments
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call _setargv@
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call _setenvp@
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mov ah, 0
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int 1ah ; get current BIOS time in ticks
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mov word ptr _StartTime@,dx ; save it for clock() fn
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mov word ptr _StartTime@+2,cx
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IFNDEF __OLDCONIO__
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IF LPROG
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push cs ; Simulation of a FAR call
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ENDIF
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call ds:[__crt1st] ; Initialize window sizes, etc.
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ENDIF
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; ExitCode = main(argc,argv,envp);
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IF LDATA
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push word ptr environ@+2
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push word ptr environ@
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push word ptr _argv@+2
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push word ptr _argv@
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ELSE
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push word ptr environ@
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push word ptr _argv@
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ENDIF
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push _argc@
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call main@
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; Flush and close streams and files
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push ax
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call exit@
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;---------------------------------------------------------------------------
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; _exit()
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;
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; Restore interrupt vectors taken during startup. signal() functions
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; could have grabbed vectors 0, 4, 5 or 6.
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;
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; Check for NULL pointer errors.
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;
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; Exit to DOS.
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;
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;NOTE : _exit() doesn't close any files or run exit functions. This is a
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; minimal 'cleanup & quit' program exit.
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;---------------------------------------------------------------------------
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PubProc@ _exit, __CDECL__
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mov ds, cs:DGROUP@@
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IF LPROG
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call far ptr _restorezero@ ; restore captured INT vectors
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ELSE
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call near ptr _restorezero@
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ENDIF
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IFNDEF __NOFLOAT__
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; Restore interrupt vectors taken by __emu1st
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push cs ;Simulation of a FAR call
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call ds:[__emuLast]
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ENDIF
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IF LDATA EQ false
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IFNDEF __TINY__
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; Check for null pointers before exit
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xor ax, ax
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mov si, ax
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mov cx, lgth_CopyRight
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cld
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ComputeChecksum label near
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add al, [si]
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adc ah, 0
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inc si
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loop ComputeChecksum
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sub ax, CheckSum
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jz ExitToDOS
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mov cx, lgth_NullCheck
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mov dx, offset DGROUP: NullCheck
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call ErrorDisplay
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|
ENDIF
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
; Exit to DOS
|
|||
|
|
|
|||
|
|
ExitToDOS label near
|
|||
|
|
mov bp,sp
|
|||
|
|
mov ah,4Ch
|
|||
|
|
mov al,[bp+cPtrSize]
|
|||
|
|
int 21h ; Exit to DOS
|
|||
|
|
EndProc@ _exit, __CDECL__
|
|||
|
|
STARTX ENDP
|
|||
|
|
|
|||
|
|
SUBTTL Vector save/restore & default Zero divide routines
|
|||
|
|
PAGE
|
|||
|
|
;[]------------------------------------------------------------[]
|
|||
|
|
;| |
|
|||
|
|
;| Interrupt Save/Restore routines and default divide by zero |
|
|||
|
|
;| handler. |
|
|||
|
|
;| |
|
|||
|
|
;[]------------------------------------------------------------[]
|
|||
|
|
|
|||
|
|
ZeroDivision PROC FAR
|
|||
|
|
mov cx, lgth_ZeroDivMSG
|
|||
|
|
mov dx, offset DGROUP: ZeroDivMSG
|
|||
|
|
jmp MsgExit3
|
|||
|
|
ZeroDivision ENDP
|
|||
|
|
|
|||
|
|
;--------------------------------------------------------------------------
|
|||
|
|
; savevectors()
|
|||
|
|
;
|
|||
|
|
; Save vectors for 0, 4, 5 & 6 interrupts. This is for extended
|
|||
|
|
; signal()/raise() support as the signal functions can steal these
|
|||
|
|
; vectors during runtime.
|
|||
|
|
;--------------------------------------------------------------------------
|
|||
|
|
SaveVectors PROC NEAR
|
|||
|
|
push ds
|
|||
|
|
; Save INT 0
|
|||
|
|
mov ax, 3500h
|
|||
|
|
int 021h
|
|||
|
|
mov word ptr _Int0Vector@, bx
|
|||
|
|
mov word ptr _Int0Vector@+2, es
|
|||
|
|
; Save INT 4
|
|||
|
|
mov ax, 3504h
|
|||
|
|
int 021h
|
|||
|
|
mov word ptr _Int4Vector@, bx
|
|||
|
|
mov word ptr _Int4Vector@+2, es
|
|||
|
|
; Save INT 5
|
|||
|
|
mov ax, 3505h
|
|||
|
|
int 021h
|
|||
|
|
mov word ptr _Int5Vector@, bx
|
|||
|
|
mov word ptr _Int5Vector@+2, es
|
|||
|
|
; Save INT 6
|
|||
|
|
mov ax, 3506h
|
|||
|
|
int 021h
|
|||
|
|
mov word ptr _Int6Vector@, bx
|
|||
|
|
mov word ptr _Int6Vector@+2, es
|
|||
|
|
;
|
|||
|
|
; Install default divide by zero handler.
|
|||
|
|
;
|
|||
|
|
mov ax, 2500h
|
|||
|
|
mov dx, cs
|
|||
|
|
mov ds, dx
|
|||
|
|
mov dx, offset ZeroDivision
|
|||
|
|
int 21h
|
|||
|
|
|
|||
|
|
pop ds
|
|||
|
|
ret
|
|||
|
|
SaveVectors ENDP
|
|||
|
|
|
|||
|
|
;--------------------------------------------------------------------------
|
|||
|
|
; restorezero() puts back all the vectors that SaveVectors took.
|
|||
|
|
;
|
|||
|
|
;NOTE : TSRs must BE AWARE that signal() functions which take these
|
|||
|
|
; vectors will be deactivated if the keep() function is executed.
|
|||
|
|
; If a TSR wants to use the signal functions when it is active it
|
|||
|
|
; will have to save/restore these vectors itself when activated and
|
|||
|
|
; deactivated.
|
|||
|
|
;--------------------------------------------------------------------------
|
|||
|
|
PubProc@ _restorezero, __CDECL__
|
|||
|
|
|
|||
|
|
IFDEF __HUGE__
|
|||
|
|
push ds
|
|||
|
|
mov ds, cs: DGROUP@@
|
|||
|
|
ENDIF
|
|||
|
|
push ds
|
|||
|
|
mov ax, 2500h
|
|||
|
|
lds dx, _Int0Vector@
|
|||
|
|
int 21h
|
|||
|
|
pop ds
|
|||
|
|
|
|||
|
|
push ds
|
|||
|
|
mov ax, 2504h
|
|||
|
|
lds dx, _Int4Vector@
|
|||
|
|
int 21h
|
|||
|
|
pop ds
|
|||
|
|
|
|||
|
|
push ds
|
|||
|
|
mov ax, 2505h
|
|||
|
|
lds dx, _Int5Vector@
|
|||
|
|
int 21h
|
|||
|
|
pop ds
|
|||
|
|
|
|||
|
|
IFNDEF __HUGE__
|
|||
|
|
push ds
|
|||
|
|
ENDIF
|
|||
|
|
mov ax, 2506h
|
|||
|
|
lds dx, _Int6Vector@
|
|||
|
|
int 21h
|
|||
|
|
pop ds
|
|||
|
|
|
|||
|
|
ret
|
|||
|
|
EndProc@ _restorezero, __CDECL__
|
|||
|
|
|
|||
|
|
SUBTTL Miscellaneous
|
|||
|
|
PAGE
|
|||
|
|
;[]------------------------------------------------------------[]
|
|||
|
|
;| |
|
|||
|
|
;| Miscellaneous functions |
|
|||
|
|
;| |
|
|||
|
|
;[]------------------------------------------------------------[]
|
|||
|
|
|
|||
|
|
IFNDEF __NOFLOAT__
|
|||
|
|
NoEmulator PROC FAR
|
|||
|
|
mov _8087@, 0
|
|||
|
|
ret
|
|||
|
|
NoEmulator ENDP
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
IFNDEF __OLDCONIO__
|
|||
|
|
Proc@ NoConsole, __CDECL__
|
|||
|
|
ret
|
|||
|
|
EndProc@ NoConsole, __CDECL__
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
ErrorDisplay PROC NEAR
|
|||
|
|
mov ah, 040h
|
|||
|
|
mov bx, 2
|
|||
|
|
int 021h
|
|||
|
|
ret
|
|||
|
|
ErrorDisplay ENDP
|
|||
|
|
|
|||
|
|
PubProc@ abort, __CDECL__
|
|||
|
|
mov cx, lgth_abortMSG
|
|||
|
|
mov dx, offset DGROUP: abortMSG
|
|||
|
|
MsgExit3 label near
|
|||
|
|
mov ds, cs: DGROUP@@
|
|||
|
|
call ErrorDisplay
|
|||
|
|
CallExit3 label near
|
|||
|
|
mov ax, 3
|
|||
|
|
push ax
|
|||
|
|
call _exit@ ; _exit(3);
|
|||
|
|
EndProc@ abort, __CDECL__
|
|||
|
|
|
|||
|
|
; The DGROUP@ variable is used to reload DS with DGROUP
|
|||
|
|
|
|||
|
|
PubSym@ DGROUP@, <dw ?>, __PASCAL__
|
|||
|
|
_TEXT ENDS
|
|||
|
|
|
|||
|
|
SUBTTL Start Up Data Area
|
|||
|
|
PAGE
|
|||
|
|
;[]------------------------------------------------------------[]
|
|||
|
|
;| Start Up Data Area |
|
|||
|
|
;| |
|
|||
|
|
;| WARNING Do not move any variables in the data |
|
|||
|
|
;| segment unless you're absolutely sure |
|
|||
|
|
;| that it does not matter. |
|
|||
|
|
;| |
|
|||
|
|
;[]------------------------------------------------------------[]
|
|||
|
|
|
|||
|
|
_DATA SEGMENT
|
|||
|
|
|
|||
|
|
; The CopyRight string must NOT be moved or changed without
|
|||
|
|
; changing the null pointer check logic
|
|||
|
|
|
|||
|
|
CopyRight db 4 dup(0)
|
|||
|
|
db 'Turbo-C - Copyright (c) 1988 Borland Intl.',0
|
|||
|
|
lgth_CopyRight equ $ - CopyRight
|
|||
|
|
|
|||
|
|
IF LDATA EQ false
|
|||
|
|
IFNDEF __TINY__
|
|||
|
|
CheckSum equ 00D37h
|
|||
|
|
NullCheck db 'Null pointer assignment', 13, 10
|
|||
|
|
lgth_NullCheck equ $ - NullCheck
|
|||
|
|
ENDIF
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
ZeroDivMSG db 'Divide error', 13, 10
|
|||
|
|
lgth_ZeroDivMSG equ $ - ZeroDivMSG
|
|||
|
|
|
|||
|
|
abortMSG db 'Abnormal program termination', 13, 10
|
|||
|
|
lgth_abortMSG equ $ - abortMSG
|
|||
|
|
|
|||
|
|
;
|
|||
|
|
; Interrupt vector save areas
|
|||
|
|
;
|
|||
|
|
; Interrupt vectors 0,4,5 & 6 are saved at startup and then restored
|
|||
|
|
; when the program terminates. The signal/raise functions might
|
|||
|
|
; steal these vectors during execution.
|
|||
|
|
;
|
|||
|
|
PubSym@ _Int0Vector <dd 0>, __CDECL__
|
|||
|
|
PubSym@ _Int4Vector <dd 0>, __CDECL__
|
|||
|
|
PubSym@ _Int5Vector <dd 0>, __CDECL__
|
|||
|
|
PubSym@ _Int6Vector <dd 0>, __CDECL__
|
|||
|
|
;
|
|||
|
|
; Miscellaneous variables
|
|||
|
|
;
|
|||
|
|
PubSym@ _argc, <dw 0>, __CDECL__
|
|||
|
|
dPtrPub@ _argv, 0, __CDECL__
|
|||
|
|
dPtrPub@ environ, 0, __CDECL__
|
|||
|
|
PubSym@ _envLng, <dw 0>, __CDECL__
|
|||
|
|
PubSym@ _envseg, <dw 0>, __CDECL__
|
|||
|
|
PubSym@ _envSize, <dw 0>, __CDECL__
|
|||
|
|
PubSym@ _psp, <dw 0>, __CDECL__
|
|||
|
|
PubSym@ _version, <label word>, __CDECL__
|
|||
|
|
PubSym@ _osmajor, <db 0>, __CDECL__
|
|||
|
|
PubSym@ _osminor, <db 0>, __CDECL__
|
|||
|
|
PubSym@ errno, <dw 0>, __CDECL__
|
|||
|
|
PubSym@ _8087, <dw 0>, __CDECL__
|
|||
|
|
PubSym@ _StartTime, <dw 0,0>, __CDECL__
|
|||
|
|
|
|||
|
|
|
|||
|
|
; Memory management variables
|
|||
|
|
|
|||
|
|
IF LDATA EQ false
|
|||
|
|
PubSym@ __heapbase, <dw DGROUP:edata@>, __CDECL__
|
|||
|
|
PubSym@ __brklvl, <dw DGROUP:edata@>, __CDECL__
|
|||
|
|
PubSym@ __heaptop, <dw DGROUP:edata@>, __CDECL__
|
|||
|
|
ENDIF
|
|||
|
|
PubSym@ _heapbase, <dd 0>, __CDECL__
|
|||
|
|
PubSym@ _brklvl, <dd 0>, __CDECL__
|
|||
|
|
PubSym@ _heaptop, <dd 0>, __CDECL__
|
|||
|
|
|
|||
|
|
IF LDATA EQ false
|
|||
|
|
IFNDEF __NOFLOAT__
|
|||
|
|
; Emulator variables
|
|||
|
|
INCLUDE emuvars.asi
|
|||
|
|
ENDIF
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
_DATA ENDS
|
|||
|
|
|
|||
|
|
IFNDEF __NOFLOAT__
|
|||
|
|
_EMUSEG SEGMENT
|
|||
|
|
__emu1st dw NoEmulator
|
|||
|
|
__emuLast dw NoEmulator
|
|||
|
|
_EMUSEG ENDS
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
IFNDEF __OLDCONIO__
|
|||
|
|
_CRTSEG SEGMENT
|
|||
|
|
__crt1st dw NoConsole@
|
|||
|
|
_CRTSEG ENDS
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
_CVTSEG SEGMENT
|
|||
|
|
PubSym@ _RealCvtVector, <label word>, __CDECL__
|
|||
|
|
_CVTSEG ENDS
|
|||
|
|
|
|||
|
|
_SCNSEG SEGMENT
|
|||
|
|
PubSym@ _ScanTodVector, <label word>, __CDECL__
|
|||
|
|
_SCNSEG ENDS
|
|||
|
|
|
|||
|
|
IFNDEF __HUGE__
|
|||
|
|
_BSS SEGMENT
|
|||
|
|
bdata@ label byte
|
|||
|
|
_BSS ENDS
|
|||
|
|
|
|||
|
|
_BSSEND SEGMENT
|
|||
|
|
edata@ label byte
|
|||
|
|
_BSSEND ENDS
|
|||
|
|
ENDIF
|
|||
|
|
|
|||
|
|
IFNDEF __TINY__
|
|||
|
|
_STACK SEGMENT
|
|||
|
|
dw 64 dup (?)
|
|||
|
|
IF LDATA
|
|||
|
|
org 0
|
|||
|
|
IFNDEF __NOFLOAT__
|
|||
|
|
; Emulator variables
|
|||
|
|
INCLUDE emuvars.asi
|
|||
|
|
even
|
|||
|
|
ENDIF
|
|||
|
|
PUBLIC emuTop@ ; for use in stack-underflow checks.
|
|||
|
|
emuTop@ label byte
|
|||
|
|
ENDIF
|
|||
|
|
_STACK ENDS
|
|||
|
|
ENDIF
|
|||
|
|
END STARTX
|
|||
|
|
|