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Advanced Embedded Systems Interview Question:
Tell me which registers are used for register indirect addressing mode if data is on-chip?
Submitted by: Muhammad☛ R0 and R1 are the only registers used for register indirect addressing mode.
☛ These registers are 8 bit wide.
☛ Their use is limited to accessing only internal RAM.
☛ When these registers hold addresses of RAM, they must be preceded by a @ sign.
☛ In absence of this sign it will use the contents of register than the contents of memory location pointed by the same register.
Submitted by: Muhammad
☛ These registers are 8 bit wide.
☛ Their use is limited to accessing only internal RAM.
☛ When these registers hold addresses of RAM, they must be preceded by a @ sign.
☛ In absence of this sign it will use the contents of register than the contents of memory location pointed by the same register.
Submitted by: Muhammad
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