| 1 | #include "../../PicoInt.h" |
| 2 | |
| 3 | #ifndef UTYPES_DEFINED |
| 4 | typedef unsigned char u8; |
| 5 | typedef unsigned short u16; |
| 6 | typedef unsigned int u32; |
| 7 | #define UTYPES_DEFINED |
| 8 | #endif |
| 9 | |
| 10 | #define CLEAR_DETECT(pc_start,pc_end,text) \ |
| 11 | if (d == 0 && SekPc >= pc_start && SekPc < pc_end) \ |
| 12 | { \ |
| 13 | if (!clearing_ram) \ |
| 14 | elprintf(EL_UIO, text); \ |
| 15 | clearing_ram = 1; \ |
| 16 | return; \ |
| 17 | } |
| 18 | |
| 19 | unsigned int PicoSVPRead16(unsigned int a, int realsize) |
| 20 | { |
| 21 | unsigned int d = 0; |
| 22 | |
| 23 | if ((a & 0xfe0000) == 0x300000) |
| 24 | d = *(u16 *)(svp->dram + (a&0x1fffe)); |
| 25 | |
| 26 | elprintf(EL_UIO, "SVP r%i: [%06x] %04x @%06x", realsize, a&0xffffff, d, SekPc); |
| 27 | |
| 28 | // if (a == 0x30fe02) d = 1; |
| 29 | |
| 30 | return d; |
| 31 | } |
| 32 | |
| 33 | void PicoSVPWrite8(unsigned int a, unsigned int d, int realsize) |
| 34 | { |
| 35 | elprintf(EL_UIO, "!!! SVP w%i: [%06x], %08x @%06x", realsize, a&0xffffff, d, SekPc); |
| 36 | } |
| 37 | |
| 38 | void PicoSVPWrite16(unsigned int a, unsigned int d, int realsize) |
| 39 | { |
| 40 | static int clearing_ram = 0; |
| 41 | |
| 42 | if ((a & 0xfe0000) == 0x300000) |
| 43 | *(u16 *)(svp->dram + (a&0x1fffe)) = d; |
| 44 | |
| 45 | if (a == 0x30fe06 && d != 0) |
| 46 | svp->ssp1601.emu_status &= ~SSP_30FE06_WAIT; |
| 47 | |
| 48 | if (a == 0x30fe08 && d != 0) |
| 49 | svp->ssp1601.emu_status &= ~SSP_30FE08_WAIT; |
| 50 | |
| 51 | // debug: detect RAM clears.. |
| 52 | CLEAR_DETECT(0x0221dc, 0x0221f0, "SVP RAM CLEAR (full) @ 0221C2"); |
| 53 | CLEAR_DETECT(0x02204c, 0x022068, "SVP RAM CLEAR 300000-31ffbf (1) @ 022032"); |
| 54 | CLEAR_DETECT(0x021900, 0x021ff0, "SVP RAM CLEAR 300000-305fff"); |
| 55 | CLEAR_DETECT(0x0220b0, 0x0220cc, "SVP RAM CLEAR 300000-31ffbf (2) @ 022096"); |
| 56 | clearing_ram = 0; |
| 57 | |
| 58 | elprintf(EL_UIO, "SVP w%i: [%06x], %04x @%06x", realsize, a&0xffffff, d, SekPc); |
| 59 | |
| 60 | // just guessing here |
| 61 | if (a == 0xa15002) svp->ssp1601.gr[SSP_XST].h = d; |
| 62 | else if (a == 0xa15006) svp->ssp1601.gr[SSP_PM0].h = d | (d << 1); |
| 63 | } |
| 64 | |