Simulating dual DPTR & movx for AT89S8252

Hi! I'm simulating my program (ASM) in uVision v7.02a. When reading a byte from AT89S8252's internal EEPROM the movx instruction always uses the 1st DPTR, though the DPS is set to the 2nd DPTR. On...
Simulating dual DPTR & movx for AT89S8252

Hi! I'm simulating my program (ASM) in uVision v7.02a. When reading a byte from AT89S8252's internal EEPROM the movx instruction always uses the 1st DPTR, though the DPS is set to the 2nd DPTR. On...
MOVX

Hello, I want to check if there is an equivalent instruction of the MOVX at the C language. I tried doing in-line assembly with no luck. Any assistance is appreciated
MOVX

Hello, I want to check if there is an equivalent instruction of the MOVX at the C language. I tried doing in-line assembly with no luck. Any assistance is appreciated
Movx command in Keil

Hello all, I'm using Keil uVision2 Version 7.05, and everything seems to be OK. However, there is one thing I don't quite understand, thus I'm posting here asking for your ideas/opinions. When I run...