Mercurial > repos > blastem
view notes/sf2_50mhz_analysis.txt @ 2350:f8b5142c06aa
Allow 68K to return mid-instruction. Adjust how 68K interrupt ack works so int2 busy flag timing is more correct. Fix some other SCD timing issues
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Mon, 16 Oct 2023 23:30:04 -0700 |
| parents | f1c2415f4d1d |
| children |
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HSYNC End Plane A: D13C ??slot?? tile tile Plane B: F29C ?sprite tile slot? tile tile Plane A: D100 68K Slot tile tile Plane B: F2A0 ?sprite table slot? tile tile Plane A: D104 68K slot tile tile Plane B: F2A4 ?sprite table slot? tile tile Plane A: D108 68K slot ?tile? ?tile? Plane B: F2A8 ?sprite table slot? tile tile Plane A: D10C refresh ?tile? ?tile? Plane B: F22C ?sprite table slot? tile tile Plane A: D110 68K slot ?tile? ?tile? Plane B: F230 ?sprite table slot? tile tile Plane A: D114 68K slot ?tile? ?tile? Plane B: F2F4 ?sprite table slot? tile tile Plane A: D118 68K slot ?tile? ?tile? Plane B: F238 ?sprite table slot? ttile tile Plane A: D11C refresh ?tile? ?tile? Plane B: F23C ?sprite table slot? tile tile Plane A: D120 68K slot ?tile? ?tile? Plane B: F240 ?sprite table slot? tile tile Plane A: D124 68K Slot ?tile? ?tile? Plane B: F244 ?sprite table slot? tile tile Plane A: D128 68K Slot ?tile? ?tile? Plane B: F3C8 ?sprite table slot? tile tile Plane A: D12C refresh ?tile? ?tile? Plane B: F24C ?sprite table slot? tile tile Plane A: D130 68K slot ?tile? ?tile? Plane B: F250 ?sprite table slot? tile tile Plane A: D134 68K Slot ?tile? ?tile? Plane B: F254 ?sprite table slot? tile tile Plane A: D138 68K slot ?tile? ?tile? Plane B: F3D8 ?sprite table slot? tile tile Plane A: D13C refresh tile tile Plane B: F3DC ?sprite table slot? tile tile --------------- 68K Slot 68K Slot sprite tile slot sprite tile slot sprite tile slot sprite tile slot ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? 68K Slot ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? HSYNC Start ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?unkown tile slot? 68K Slot Horizontal Scroll ?sprite tile slot? ?sprite tile slot? ?sprite tile slot? ?unkown tile slot?