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https://github.com/RetroDECK/Supermodel.git
synced 2025-03-06 14:27:44 +00:00
- skichamp now works, but controls are not hooked up and seems to overload the display lists like many non-working Step 2.x games do. To bypass the drive board error, enter the test menu and exit again. It will reboot and run.
- Added some notes on the cause of the "NO DAUGHTER BOARD DETECTED" error in Real3D.cpp. - Removed some debug code from texture uploader.
This commit is contained in:
Bart Trzynadlowski
parent
2ca7898f1a
commit
fce3c7ad7c
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@ -284,12 +284,11 @@ int ppc_execute(int cycles)
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{
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ppc.pc = ppc.npc;
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//if (ppc.pc == 0x279C)
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// printf("R3=%08X\n", REG(3));
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// Debug breakpoints
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//if (ppc.pc == 0x9e4d4)
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// printf("%X R0=%08X\n", ppc.pc, REG(0));
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opcode = *ppc.op++; // Supermodel byte reverses each aligned word (converting them to little endian) so they can be fetched directly
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//opcode = BSWAP32(*ppc.op++);
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ppc.npc = ppc.pc + 4;
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#ifdef SUPERMODEL_DEBUGGER
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@ -381,14 +381,16 @@ void CRender3D::UploadTextures(unsigned x, unsigned y, unsigned width, unsigned
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{
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unsigned xi, yi;
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// debug: make everything red
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// Make everything red
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#ifdef DEBUG
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for (int i = 0; i < 512*512; )
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{
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textureBuffer[i++] = 1.0f;
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textureBuffer[i++] = 0.0f;
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textureBuffer[i++] = 0.0f;
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textureBuffer[i++] = 1.0f;
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}
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}
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#endif
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for (xi = x/32; xi < (x+width)/32; xi++)
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for (yi = y/32; yi < (y+height)/32; yi++)
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@ -1126,7 +1126,7 @@ void CModel3::Write8(UINT32 addr, UINT8 data)
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// Sound Board
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case 0x08:
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//printf("PPC: %08X=%02X * (PC=%08X, LR=%08X)\n", addr, data, ppc_get_pc(), ppc_get_lr());
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printf("PPC: %08X=%02X * (PC=%08X, LR=%08X)\n", addr, data, ppc_get_pc(), ppc_get_lr());
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if ((addr&0xF) == 0) // MIDI data port
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SoundBoard.WriteMIDIPort(data);
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else if ((addr&0xF) == 4) // MIDI control port
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@ -1916,10 +1916,6 @@ void CModel3::RunFrame(void)
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#endif
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}
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// End frame
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GPU.EndFrame();
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TileGen.EndFrame();
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IRQ.Assert(0x0D);
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return;
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ThreadError:
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@ -2123,6 +2119,7 @@ void CModel3::RunMainBoardFrame(void)
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* by writing 0x37 and will disable/enable interrupts to control command
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* output.
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*/
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//printf("\t-- BEGIN (Ctrl=%02X, IRQEn=%02X, IRQPend=%02X) --\n", midiCtrlPort, IRQ.ReadIRQEnable()&0x40, IRQ.ReadIRQState());
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int irqCount = 0;
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while ((midiCtrlPort&0x20))
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//while (midiCtrlPort == 0x27) // 27 triggers IRQ sequence, 06 stops it
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@ -2140,11 +2137,16 @@ void CModel3::RunMainBoardFrame(void)
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++irqCount;
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if (irqCount > 128)
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{
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printf("MIDI FIFO OVERFLOW!\n");
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printf("\tMIDI FIFO OVERFLOW! (IRQEn=%02X, IRQPend=%02X)\n", IRQ.ReadIRQEnable()&0x40, IRQ.ReadIRQState());
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break;
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}
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}
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IRQ.Deassert(0x40); //todo: no longer needed, remove it
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//printf("\t-- END --\n");
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// End frame
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GPU.EndFrame();
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TileGen.EndFrame();
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IRQ.Assert(0x0D);
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}
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void CModel3::Reset(void)
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@ -2365,6 +2367,11 @@ void CModel3::Patch(void)
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*(UINT32 *) &crom[0x600000+0x3199C] = 0x60000000;
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}
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else if (!strcmp(Game->id, "skichamp"))
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{
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// Base address of program in CROM: 0x480000
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*(UINT32 *) &crom[0x480000+0x96B9C] = 0x60000000; // decrementer loop
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}
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}
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// Reverses all aligned 16-bit words, thereby switching their endianness (assumes buffer size is divisible by 2)
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@ -2669,7 +2676,7 @@ CModel3::~CModel3(void)
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#if 0
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Dump("ram", ram, 0x800000, TRUE, FALSE);
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//Dump("vrom", vrom, 0x4000000, TRUE, FALSE);
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//Dump("crom", crom, 0x800000, TRUE, FALSE);
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Dump("crom", crom, 0x800000, TRUE, FALSE);
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//Dump("bankedCrom", &crom[0x800000], 0x7000000, TRUE, FALSE);
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//Dump("soundROM", soundROM, 0x80000, FALSE, TRUE);
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//Dump("sampleROM", sampleROM, 0x800000, FALSE, TRUE);
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@ -369,6 +369,8 @@ void CReal3D::WriteTAP(unsigned tck, unsigned tms, unsigned tdi, unsigned trst)
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switch (tapState)
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{
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case 3: // Capture-DR
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//printf("TAP: Capture-DR\n");
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//bit = 0;
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/*
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* Read ASIC IDs.
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@ -413,7 +415,7 @@ void CReal3D::WriteTAP(unsigned tck, unsigned tms, unsigned tdi, unsigned trst)
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{
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InsertID(0x416C7057, 1 + 0 * 32);
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InsertID(0x416C3057, 1 + 1 * 32);
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InsertID(0x316C4057, 1 + 2 * 32);
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InsertID(0x316C4057, 1 + 2 * 32); // skichamp at PC=A89F4, this value causes "NO DAUGHTER BOARD" message
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InsertID(0x416C5057, 1 + 3 * 32);
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InsertID(0x316C6057, 1 + 4 * 32 + 1);
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InsertID(0x316C6057, 1 + 5 * 32 + 1);
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@ -424,6 +426,7 @@ void CReal3D::WriteTAP(unsigned tck, unsigned tms, unsigned tdi, unsigned trst)
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case 4: // Shift-DR
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tapTDO = Shift(tapID, tapIDSize);
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//printf("TAP: Shift-DR Bit %d\n", bit++);
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break;
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case 10: // Capture-IR
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@ -448,6 +451,7 @@ void CReal3D::WriteTAP(unsigned tck, unsigned tms, unsigned tdi, unsigned trst)
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*/
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tapIR &= 0x3FFFFFFFFFFFULL;
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tapCurrentInstruction = tapIR;
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//printf("TAP: Update-IR %XLL\n", tapCurrentInstruction);
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break;
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default:
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