exit.mac

来自「--- --- ---基于C语言的编译器的 简单实现」· MAC 代码 · 共 41 行

 INCLUDE PROLOG.H
_CC1:
 PUBLIC _exit
_exit:
 SUB SP,2
 MOV BX,4
 ADD BX,SP
 MOV AL,[BX]
 CBW
 MOV BX,AX
 OR BX,BX
 JNZ $+5
 JMP _CC3
 MOV BX,4
 ADD BX,SP
 MOV AL,[BX]
 CBW
 MOV BX,AX
 PUSH BX  ;
 CALL _Uconout
 ADD SP,2
_CC3:
 MOV BX,0
 PUSH BX  ;
 MOV BX,0
 PUSH BX  ;
 MOV BX,0
 PUSH BX  ;
 MOV BX,19456
 PUSH BX  ;
 CALL _Umsdos
 ADD SP,8
 ADD SP,2
 RET
_abort: JMP    _exit
       PUBLIC  _abort
 EXTRN _Uconout:NEAR
 EXTRN _Umsdos:NEAR
 INCLUDE EPILOG.H
 END