We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
BLT (Super FX): Difference between revisions
From SnesLab
(Clobbered -> affected) |
(→External Links: example) |
||
Line 46: | Line 46: | ||
# Official Nintendo documentation on BLT: [https://archive.org/details/SNESDevManual/book2/page/n180 Page 2-9-24 of Book II] | # Official Nintendo documentation on BLT: [https://archive.org/details/SNESDevManual/book2/page/n180 Page 2-9-24 of Book II] | ||
# https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc | # https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc | ||
# example: https://archive.org/details/SNESDevManual/book2/page/n181 | |||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:Super FX]] | [[Category:Super FX]] | ||
[[Category:GSU Control Instructions]] | [[Category:GSU Control Instructions]] |
Revision as of 07:16, 29 November 2023
Basic Info | |||||||
---|---|---|---|---|---|---|---|
Opcode | Length | ROM Speed | RAM Speed | Cache Speed | |||
06 | 2 bytes | 6 cycles | 6 cycles | 2 cycles |
Flags Affected | ||||||||
---|---|---|---|---|---|---|---|---|
B | ALT1 | ALT2 | O/V | S | CY | Z | ||
0 | 0 | 0 | . | . | . | . |
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]
See also
External Links
- Official Nintendo documentation on BLT: Page 2-9-24 of Book II
- https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc
- example: https://archive.org/details/SNESDevManual/book2/page/n181