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FM Towns: Free Software Collection 4
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FM Towns Free Software Collection 4 - Disc 1.iso
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cd_stop.a86
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1991-10-18
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363b
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26 lines
; tab = 8
; cd_stop.a86 Cdur の関数cd_stopのアセンブラ化
;
; 90/12/12 v1.00
CGROUP GROUP TEXT
PUBLIC cd_stop_
TEXT CSEG
cd_stop_::
PUSH CX
MOV AX,21184 ; AX = 0x52C0
XOR CX,CX ; CX = 0
INT 147 ; INT 0x93
XOR AL,AL ; AL = 0
CMP AH,128 ; if AH=0x80
JNE __a ; JMP __a
MOV AL,CL ; else AL=CL
__a:
POP CX
RET