Mercurial > repos > blastem
changeset 1939:84b32010ef8d
Implement 68K and instruction in new core
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Thu, 23 Apr 2020 20:57:28 -0700 |
| parents | 1dae90605199 |
| children | 048442b0cb62 |
| files | m68k.cpu |
| diffstat | 1 files changed, 62 insertions(+), 0 deletions(-) [+] |
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--- a/m68k.cpu Thu Apr 23 20:57:14 2020 -0700 +++ b/m68k.cpu Thu Apr 23 20:57:28 2020 -0700 @@ -578,7 +578,69 @@ mov aregs.D scratch2 m68k_write_size Z 0 m68k_prefetch + +1100DDD0ZZMMMRRR and_ea_dn + invalid M 1 + invalid M 7 R 5 + invalid M 7 R 6 + invalid M 7 R 7 + invalid Z 3 + m68k_fetch_src_ea M R Z + and src dregs.D dregs.D Z + update_flags NZV0C0 + m68k_prefetch + +1100DDD1ZZMMMRRR and_dn_ea + invalid M 0 + invalid M 1 + invalid M 7 R 2 + invalid M 7 R 3 + invalid M 7 R 4 + invalid M 7 R 5 + invalid M 7 R 6 + invalid M 7 R 7 + invalid Z 3 + m68k_fetch_dst_ea M R Z + + and dregs.D dst dst Z + update_flags NZV0C0 + m68k_save_dst Z + m68k_prefetch + +00000010ZZMMMRRR andi + local immed 32 + invalid Z 3 + invalid M 1 + invalid M 7 R 2 + invalid M 7 R 3 + invalid M 7 R 4 + invalid M 7 R 5 + invalid M 7 R 6 + invalid M 7 R 7 + #fetch immediate operand + m68k_prefetch + switch Z + case 2 + lsl prefetch 16 immed + m68k_prefetch + or prefetch immed immed + default + mov prefetch immed + end + #fetch dst EA + m68k_fetch_dst_ea M R Z + + and immed dst dst Z + update_flags NZV0C0 + m68k_save_dst Z + m68k_prefetch + +0000001000111100 andi_to_ccr + #fetch immediate operand + m68k_prefetch + and prefetch ccr ccr + m68k_prefetch 00ZZRRRMMMEEESSS move invalid Z 0