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ProfitPress Mega CDROM2 …eeware (MSDOS)(1992)(Eng)
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ProfitPress-MegaCDROM2.B6I
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ASSEMBLY
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ZENDISK1.ZIP
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LST9-19.ASM
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Assembly Source File
|
1990-02-15
|
322 b
|
19 lines
;
; *** Listing 9-19 ***
;
; Times the performance of SUB with a register as the
; destination operand and memory as the source operand.
;
jmp Skip
;
Dest db 0
;
Skip:
call ZTimerOn
rept 1000
sub al,[Dest] ;subtract [Dest] from AL
; Only 1 memory access
; is performed
endm
call ZTimerOff