We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
BRK: Difference between revisions
From SnesLab
(clobbered -> affected) |
(additional cycle) |
||
| Line 10: | Line 10: | ||
|00 | |00 | ||
|2 bytes | |2 bytes | ||
|7 cycles | |7 cycles* | ||
|} | |} | ||
| Line 35: | Line 35: | ||
|} | |} | ||
'''BRK''' (Break) is a 65x instruction designed to trigger a software interrupt. The byte following the opcode is called the [[Signature Byte]]. | '''BRK''' (Break) is a 65x instruction designed to trigger a software interrupt. The byte following the opcode is called the [[Signature Byte]]. BRK takes one additional cycle in [[native mode]]. | ||
=== See Also === | === See Also === | ||
Revision as of 21:21, 19 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| stack | 00 | 2 bytes | 7 cycles* | ||||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | V | M | X | D | I | Z | C | |
| . | . | . | 0 | 1 | . | . | ||
BRK (Break) is a 65x instruction designed to trigger a software interrupt. The byte following the opcode is called the Signature Byte. BRK takes one additional cycle in native mode.
See Also
External Links
- Eyes & Lichty page on BRK: https://archive.org/details/0893037893ProgrammingThe65816/page/n462
- Labiak page on BRK: https://archive.org/details/Programming_the_65816/page/n136
- MCS6500 Manual page on BRK: https://archive.org/details/mos_microcomputers_programming_manual/page/n164
- Carr page on BRK: https://archive.org/details/6502UsersManual/page/n265
- Leventhal page on BRK: https://archive.org/details/6502-assembly-language-programming/page/n98
- snes9x implementation of BRK: https://github.com/snes9xgit/snes9x/blob/master/cpuops.cpp#L2547