BRA (Super FX)

Basic Info
Addressing Mode	Opcode	Length	ROM Speed	RAM Speed	Cache Speed
Program Counter Relative	05??	2 bytes	6 cycles	6 cycles	2 cycles

Flags Affected
B	ALT1	ALT2	O/V	S	CY	Z
.	.	.	.	.	.	.

BRA (Branch) is a Super FX instruction that performs an unconditional jump. A relative offset of -128 to 127 bytes from the address following the BRA instruction is added into R₁₅ (the program counter).

No flags are affected.

The instruction after BRA is already in the pipeline and will be run before the instruction at the branch destination.

Syntax

BRA e

Example

This instruction jumps the program backward in an infinite loop:

 BRA $0h

See Also

• BRA
• JMP (Super FX)
• LJMP (Super FX)

External Links

• Official Nintendo documentation on BRA: 9.24 on page 2-9-32 of Book II
• example: page 2-9-33 of Book II, lbid.