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[C] in [keil C51] conversion assembly language problems

Time:09-20

The diagram below:





C: # 0 x0091 SUBB 9400 A, AA (0 x00)
Above an AA, why not:
C: 0 x0091 SUBB. A, 9400 # 0 x00

CodePudding user response:

Don't think just said method, the final execution is iC: 0 x0091 SUBB 9400 A, # 0 x00

CodePudding user response:

reference 1st floor walk black tea reply:
feel just said method is different, the final execution is iC: 0 x0091 SUBB. A, 9400 # 0 x00

If the code is much, I am afraid of program will change the value of the AA?
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