Mercurial > repos > blastem
diff vdp.c @ 151:6b593ea0ed90
Implement MULU/MULS and DIVU/DIVS
| author | Mike Pavone <pavone@retrodev.com> |
|---|---|
| date | Thu, 03 Jan 2013 22:07:40 -0800 |
| parents | 139e5dcd6aa3 |
| children | 8b846bcff6a2 |
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--- a/vdp.c Tue Jan 01 09:40:17 2013 -0800 +++ b/vdp.c Thu Jan 03 22:07:40 2013 -0800 @@ -205,6 +205,7 @@ break; case CRAM_WRITE: context->cram[(context->address/2) & (CRAM_SIZE-1)] = read_dma_value((context->regs[REG_DMASRC_H] << 16) | (context->regs[REG_DMASRC_M] << 8) | context->regs[REG_DMASRC_L]); + //printf("CRAM DMA | %X set to %X from %X at %d\n", (context->address/2) & (CRAM_SIZE-1), context->cram[(context->address/2) & (CRAM_SIZE-1)], (context->regs[REG_DMASRC_H] << 17) | (context->regs[REG_DMASRC_M] << 9) | (context->regs[REG_DMASRC_L] << 1), context->cycles); break; case VSRAM_WRITE: if (((context->address/2) & 63) < VSRAM_SIZE) { @@ -310,7 +311,7 @@ } break; case CRAM_WRITE: - //printf("CRAM Write: %X to %X\n", start->value, context->address); + //printf("CRAM Write | %X to %X\n", start->value, (start->address/2) & (CRAM_SIZE-1)); context->cram[(start->address/2) & (CRAM_SIZE-1)] = start->value; break; case VSRAM_WRITE: @@ -1047,9 +1048,9 @@ if (reg < VDP_REGS) { //printf("register %d set to %X\n", reg, value & 0xFF); context->regs[reg] = value; - /*if (reg == REG_MODE_2) { - printf("Display is now %s\n", (context->regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled"); - }*/ + if (reg == REG_MODE_2) { + //printf("Display is now %s\n", (context->regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled"); + } } } else { context->flags |= FLAG_PENDING;