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CMODE (Super FX): Difference between revisions
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on CMODE: https://archive.org/details/SNESDevManual/book2/page/n195 | * Official Nintendo documentation on CMODE: [https://archive.org/details/SNESDevManual/book2/page/n195 Page 2-9-39 of Book II] | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:Plot-related Instructions]] | [[Category:Plot-related Instructions]] | ||
Revision as of 23:07, 6 July 2023
CMODE is a Super FX instruction that specifies execution modes. It sets plot and color related flags based on the low 5 bits of the source register.
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 3D4E | 2 bytes | 6 cycles | 6 cycles | 2 cycle | |||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
| Color/Plot flags | ||||||||
|---|---|---|---|---|---|---|---|---|
| Plot Transparent | Plot Dither | Color Src High | Color Frz High | Object Mode | ||||
| Bit 0 of src | Bit 1 of src | Bit 2 of src | Bit 3 of src | Bit 4 of src | ||||
External Links
- Official Nintendo documentation on CMODE: Page 2-9-39 of Book II