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Power Programmierung 2
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Power-Programmierung CD 2 (Tewi)(1994).iso
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setins.asm
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Assembly Source File
|
1989-05-03
|
380 b
|
20 lines
;void set_ins();
EXTRN _memory_model:byte
_TEXT SEGMENT BYTE PUBLIC 'CODE'
ASSUME CS:_TEXT
PUBLIC _set_ins
_set_ins proc near
sub ax,ax ;clear AX
mov es,ax ;ES pts to 0000:0000
mov al,128 ;bit 7
or es:[417H],al ;set the bit
cmp _memory_model,0 ;quit
jle quit ;
db 0CBh ;RET far
quit: ret ;RET near
_set_ins ENDP
_TEXT ENDS
END