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GETC (Super FX): Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* Official Super Nintendo development manual on GETC: paragraph 9.39 on [https://archive.org/details/SNESDevManual/book2/page/n213 | * Official Super Nintendo development manual on GETC: paragraph 9.39 on [https://archive.org/details/SNESDevManual/book2/page/n213 page 2-9-57 of Book II] | ||
* subparagraph 8.1.2 SET COLOR (COLOR, GETC) on [https://archive.org/details/SNESDevManual/book2/page/n143 page 2-8-4], lbid. | * subparagraph 8.1.2 SET COLOR (COLOR, GETC) on [https://archive.org/details/SNESDevManual/book2/page/n143 page 2-8-4], lbid. | ||
Latest revision as of 21:08, 16 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 1) | DF | 1 byte | 3 to 10 cycles | 3 to 9 cycles | 1 to 6 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
GETC (Get Color) is a Super FX instruction that loads a color into the color register from the ROM buffer.
The reason the cycle times can vary is because of the ROM buffer. The ALT0 state is restored.
Syntax
GETC
Example
Let:
(ROM buffer) = 4bh
After GETC is executed:
color reg = 4bh
See Also
External Links
- Official Super Nintendo development manual on GETC: paragraph 9.39 on page 2-9-57 of Book II
- subparagraph 8.1.2 SET COLOR (COLOR, GETC) on page 2-8-4, lbid.