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ADC (SPC700): Difference between revisions

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(direct page admode)
(abs admodes)
Line 27: Line 27:
|3 cycles
|3 cycles
|+
|+
|
|[[Absolute Addressing | Absolute]]
|85
|85
|3 bytes
|3 bytes
|4 cycles
|4 cycles
|+
|+
|
|[[Absolute Indexed by X]]
|95
|95
|3 bytes
|3 bytes
|5 cycles
|5 cycles
|+
|+
|
|[[Absolute Indexed by Y]]
|96
|96
|3 bytes
|3 bytes

Revision as of 18:51, 23 July 2023

Basic Info
Addressing Mode Opcode Length Speed
immediate 88 2 bytes 2 cycles
86 1 byte 3 cycles
Direct Page 84 2 bytes 3 cycles
94 2 bytes 3 cycles
Absolute 85 3 bytes 4 cycles
Absolute Indexed by X 95 3 bytes 5 cycles
Absolute Indexed by Y 96 3 bytes 5 cycles
87 2 bytes 6 cycles
97 2 bytes 6 cycles
99 1 byte 5 cycles
89 3 bytes 6 cycles
98 3 bytes 5 cycles
Flags Clobbered
N V P B H I Z C
. . .

ADC (Add with Carry) is an SPC700 instruction that adds the value of the two operands together (along with the carry flag) and stores the sum in the left operand. Often, the left operand is the accumulator.

See Also

External Links