diff options
| author | Astrid Smith | 2011-06-24 22:24:54 -0700 |
|---|---|---|
| committer | Astrid Smith | 2011-06-24 22:24:54 -0700 |
| commit | 8180013ecccbb1eff2ff3f93621309225a285dba (patch) | |
| tree | b40040ebd8defe7fdaaa859b9b15047b66f40cc6 /opcodes.inc.m4 | |
| parent | c22fdfeff0c15cfd1324aeadf89fa16c89be21a8 (diff) | |
I spent the afternoon counting cycles.
Diffstat (limited to 'opcodes.inc.m4')
| -rw-r--r-- | opcodes.inc.m4 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/opcodes.inc.m4 b/opcodes.inc.m4 index b4c35b6..51763a4 100644 --- a/opcodes.inc.m4 +++ b/opcodes.inc.m4 @@ -3,6 +3,14 @@ dnl # confusion. changecom(;)dnl dnl # I'm using these, in this direction, specifically to confuse Germans. changequote(`«', `»')dnl +dnl # +dnl # OPCODE takes up to five arguments: +dnl # 1. Instruction opcode +dnl # 2. 68k code +dnl # 3. Tstates for the native instruction +dnl # 4. Cycles the emulator takes +dnl # 5. Bytes of emulator code for this instruction +dnl # define(«OPCODE»,« START dnl # This little bit of trickery lets me define a local label. dnl # Calling local(end) inside of OPCODE(10, ...) will expand to |