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BLT (Super FX): Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
* Official Nintendo documentation on BLT: https://archive.org/details/SNESDevManual/book2/page/n180 | * Official Nintendo documentation on BLT: [https://archive.org/details/SNESDevManual/book2/page/n180 Page 2-9-24 of Book II] | ||
* [2] https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc | * [2] https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc | ||
Revision as of 23:04, 6 July 2023
BLT (Branch if Less Than ) is a Super FX opcode that performs a jump if the negative flag is unequal to the O/V flag, effectively checking for a signed less-than comparison (compare BCC which is an unsigned less-than comparison).
According to fullsnes, the official documentation has BLT exchanged with BGE. [2]
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
| 06 | 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 documentation on BLT: Page 2-9-24 of Book II
- [2] https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc