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Keil forum Why does compiler produce different code for 46: Disp=DispData8; C:0x02DD 908082 MOV DPTR,#Disp(0x8082) C:0x02E0 7438 MOV A,#0x38 C:0x02E2 F0 MOVX @DPTR,A 47: wait(22); C:0x02E3 7F16

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Why does compiler produce different code for 46: Disp=DispData8; C:0x02DD 908082 MOV DPTR,#Disp(0x8082) C:0x02E0 7438 MOV A,#0x38 C:0x02E2 F0 MOVX @DPTR,A 47: wait(22); C:0x02E3 7F16

GEAG over 5 years ago

Compiler produces different code for same line

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0 Broeker over 5 years ago in reply to GEAG

GEAG said:
I doubt that the compiler would do this to a write to IO in the system.

Why wouldn't it? Did you tell the compiler that that's I/O, instead of plain memory?
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0 Broeker over 5 years ago in reply to GEAG

GEAG said:
I doubt that the compiler would do this to a write to IO in the system.

Why wouldn't it? Did you tell the compiler that that's I/O, instead of plain memory?
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