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SET1 (SPC700): Difference between revisions

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'''SET1''' is an [[SPC700]] command that sets a bit in a [[direct page]] byte.  The byte following the opcode determines which byte.  The high nibble of the opcode determines which bit within that byte.
'''SET1''' is an [[SPC700]] command that sets a bit in a [[direct page]] byte.  The byte following the opcode determines which byte.  The most significant 3 bits of the opcode determines which bit within that byte.


=== See Also ===
=== See Also ===

Revision as of 07:44, 18 December 2023

Basic Info
Addressing Mode Opcode Length Speed
Direct Page 02 2 bytes 4 cycles
Direct Page 22 2 bytes 4 cycles
Direct Page 42 2 bytes 4 cycles
Direct Page 62 2 bytes 4 cycles
Direct Page 82 2 bytes 4 cycles
Direct Page A2 2 bytes 4 cycles
Direct Page C2 2 bytes 4 cycles
Direct Page E2 2 bytes 4 cycles
Flags Affected
N V P B H I Z C
. . . . . . . .

SET1 is an SPC700 command that sets a bit in a direct page byte. The byte following the opcode determines which byte. The most significant 3 bits of the opcode determines which bit within that byte.

See Also

External Links