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BGE (Super FX)
From SnesLab
(Redirected from BGE)
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Program Counter Relative | 07 | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| . | . | . | . | . | . | . | ||
BGE (Branch if Greater or Equal) is a Super FX opcode that performs a jump if the sign 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]
No flags are affected.
Syntax
BGE e
Example
Let the sign flag and O/V flag be set. This instruction jumps the program backward 3 bytes:
BGE $-3h
See also
References
- Official Nintendo dev manual on BGE: 9.17 on page 2-9-20 of Book II
- https://problemkaputt.de/fullsnes.htm#snescartgsuncpumisc
- example: page 2-9-21, lbid.