lxdream 0.9.1| filename | STATUS |
| changeset | 176:8be4abcaa454 |
| next | 354:8bf6587e1f9b |
| author | nkeynes |
| date | Wed Jan 03 09:00:17 2007 +0000 (17 years ago) |
| permissions | -rw-r--r-- |
| last change | Adjust timers when they're read rather than waiting until the next time slice. Also temporarily cut the CPU time by 4. Initialize the FRQCR register to 0x0E0A for convenience |
| file | annotate | diff | log | raw |
| nkeynes@176 | 1 | Current status |
| nkeynes@176 | 2 | ============== |
| nkeynes@176 | 3 | |
| nkeynes@176 | 4 | General issues |
| nkeynes@176 | 5 | - No dynamic recompilation yet |
| nkeynes@176 | 6 | - Slow (not performance optimized yet at all. See above). |
| nkeynes@176 | 7 | - No I/O timing whatsoever except at a timeslice level for audio/video. |
| nkeynes@176 | 8 | (ie DMA, rendering, GD-Rom operations need to take > 0 ms to complete) |
| nkeynes@176 | 9 | |
| nkeynes@176 | 10 | SH4 Core |
| nkeynes@176 | 11 | + Base instruction set (Complete?) |
| nkeynes@176 | 12 | - No MMU support (address translation, TLB, etc) |
| nkeynes@176 | 13 | - No user-mode support |
| nkeynes@176 | 14 | - Not remotely cycle-correct timing |
| nkeynes@176 | 15 | |
| nkeynes@176 | 16 | SH4 On-chip peripherals |
| nkeynes@176 | 17 | BSC |
| nkeynes@176 | 18 | * Not implemented except for PCTRA/PDTRA, and that part is quite dodgy. |
| nkeynes@176 | 19 | CPG |
| nkeynes@176 | 20 | * Complete? |
| nkeynes@176 | 21 | DMAC |
| nkeynes@176 | 22 | * Implemented to extent needed by ASIC DMA, not fully complete |
| nkeynes@176 | 23 | INTC |
| nkeynes@176 | 24 | * Complete? |
| nkeynes@176 | 25 | RTC |
| nkeynes@176 | 26 | * Not implemented |
| nkeynes@176 | 27 | SCI |
| nkeynes@176 | 28 | * Not implemented (not even hooked up in the hardware?) |
| nkeynes@176 | 29 | SCIF |
| nkeynes@176 | 30 | * Complete? (not heavily tested) |
| nkeynes@176 | 31 | TMU |
| nkeynes@176 | 32 | * Complete? |
| nkeynes@176 | 33 | UBC |
| nkeynes@176 | 34 | * Not implemented |
| nkeynes@176 | 35 | |
| nkeynes@176 | 36 | AICA SPU |
| nkeynes@176 | 37 | ARM core |
| nkeynes@176 | 38 | + Base instruction set (Complete?) |
| nkeynes@176 | 39 | - No thumb support |
| nkeynes@176 | 40 | - No system coprocessor support |
| nkeynes@176 | 41 | - No cycle-correct timing |
| nkeynes@176 | 42 | DSP |
| nkeynes@176 | 43 | + Basic sound generation |
| nkeynes@176 | 44 | - No waveform support |
| nkeynes@176 | 45 | - No LFO support |
| nkeynes@176 | 46 | |
| nkeynes@176 | 47 | PVR2 GPU |
| nkeynes@176 | 48 | TA |
| nkeynes@176 | 49 | + Quick-n-dirty hack job to store the TA command lists in the poly |
| nkeynes@176 | 50 | buffer and nothing else. Not remotely correct. |
| nkeynes@176 | 51 | - Doesn't support 16-dword vertexes |
| nkeynes@176 | 52 | Render |
| nkeynes@176 | 53 | + Basic opaque and translucent polygon support |
| nkeynes@176 | 54 | + Depth buffer, alpha blend, most poly modes |
| nkeynes@176 | 55 | - No translucent poly sorting |
| nkeynes@176 | 56 | - No modifier volumes |
| nkeynes@176 | 57 | - No sprites |
| nkeynes@176 | 58 | - No specular highlight |
| nkeynes@176 | 59 | - No 16-dword vertexes |
| nkeynes@176 | 60 | Texture |
| nkeynes@176 | 61 | + Most texture formats supported |
| nkeynes@176 | 62 | - No support for VQ decompression |
| nkeynes@176 | 63 | |
| nkeynes@176 | 64 | GD-Rom |
| nkeynes@176 | 65 | IDE interface |
| nkeynes@176 | 66 | + Supports Ident, Set feature, and Packet (and no other IDE commands) |
| nkeynes@176 | 67 | + Supports PIO and DMA modes |
| nkeynes@176 | 68 | GD-Rom interface |
| nkeynes@176 | 69 | + Supports Test ready, Ident, Read TOC, Read Session info, Sense request, and Read CD |
| nkeynes@176 | 70 | commands |
| nkeynes@176 | 71 | - other 20-odd commands not supported |
| nkeynes@176 | 72 | |
| nkeynes@176 | 73 | Maple |
| nkeynes@176 | 74 | + Maple bus complete? |
| nkeynes@176 | 75 | + Standard DC controllers |
| nkeynes@176 | 76 | - No support for VMU |
| nkeynes@176 | 77 | - No support for other controller types (keyboard, mouse, gun, etc) |
| nkeynes@176 | 78 | |
| nkeynes@176 | 79 | Network |
| nkeynes@176 | 80 | - Not implemented |
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