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GETB (Super FX): Difference between revisions

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Revision as of 03:06, 4 July 2024

Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
Implied (type 1) EF 1 byte 3 to 8 cycles 3 to 9 cycles 1 to 6 cycles
Flags Affected
B ALT1 ALT2 O/V S CY Z
0 0 0 . . . .

GETB (Get Byte) is a Super FX instruction that loads one byte from the ROM buffer into the low byte of the destination register. The high byte of the destination register is zeroed.

R14 serves as the ROM address pointer.

The reason the cycle times can vary is because of the ROM buffer.

gsu getb.png

See Also

External Links