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BGE (Super FX): Difference between revisions
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'''BGE''' (Branch if Greater or Equal) is a [[Super FX]] opcode that performs a jump if the [[negative flag]] is equal to the [[O/V]] flag, effectively checking for a signed greater-equal comparison (compare [[BCS]] which is an unsigned greater-equal comparison). | '''BGE''' (Branch if Greater or Equal) is a [[Super FX]] opcode that performs a jump if the [[negative flag]] is equal to the [[O/V]] flag, effectively checking for a signed greater-equal comparison (compare [[BCS]] which is an unsigned greater-equal comparison). | ||
According to [[fullsnes]], the official documentation has BGE exchanged with [[BLT]]. [2] | |||
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=== External Links === | === External Links === | ||
* Official Nintendo dev manual on BGE: https://archive.org/details/SNESDevManual/book2/page/n176 | * Official Nintendo dev manual on BGE: https://archive.org/details/SNESDevManual/book2/page/n176 | ||
* [2] https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:GSU Control Instructions]] | [[Category:GSU Control Instructions]] | ||
Revision as of 06:33, 25 May 2023
BGE (Branch if Greater or Equal) is a Super FX opcode that performs a jump if the negative flag is equal to the O/V flag, effectively checking for a signed greater-equal comparison (compare BCS which is an unsigned greater-equal comparison).
According to fullsnes, the official documentation has BGE exchanged with BLT. [2]
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 07 | 2 bytes | 6 cycles | 6 cycles | 2 cycles | |||
| Flags Clobbered | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
See also
External Links
- Official Nintendo dev manual on BGE: https://archive.org/details/SNESDevManual/book2/page/n176
- [2] https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc