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ROMB (Super FX)
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 1) | 3FDF | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
ROMB is a Super FX instruction that moves the low byte of the source register into ROMBR.
The source register should be specified in advance using WITH or FROM. Otherwise, R0 serves as the default.
The ALT0 state is restored.
Syntax
ROMB
Example
Let:
Sreg : R5 R5 = 0046h
After executing ROMB, the ROMBR becomes 46h.
See Also
External Links
- Official Nintendo documentation on ROMB: 9.75 on Page 2-9-104 of Book II