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RAMB (Super FX)
From SnesLab
(Redirected from GSU/RAMB)
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 1) | 3EDF | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
RAMB is a Super FX instruction that moves the low byte of the source register into RAMBR.
The source register should be specified in advance using WITH or FROM. Otherwise, R0 serves as the default.
The ALT0 state is restored.
Syntax
RAMB
Example
Let:
Sreg : R3 R3 = 0170h
After executing RAMB, the RAM bank register becomes 70h.
See Also
External Links
- Official Nintendo documentation on RAMB: 9.73 on Page 2-9-101 of Book II