diff options
| author | Mike Pavone <pavone@retrodev.com> | 2013-01-03 22:07:40 -0800 |
|---|---|---|
| committer | Mike Pavone <pavone@retrodev.com> | 2013-01-03 22:07:40 -0800 |
| commit | c245888b71b6cb8eb85af2e1e5caebc792b5c858 (patch) | |
| tree | da4a6aa05bcd7bb48c159a902678d736cbc88660 /vdp.c | |
| parent | 430233f56146d636d85bf8240b092132b4fb898c (diff) | |
Implement MULU/MULS and DIVU/DIVS
Diffstat (limited to 'vdp.c')
| -rw-r--r-- | vdp.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -205,6 +205,7 @@ void external_slot(vdp_context * context) 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 @@ void external_slot(vdp_context * context) } 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 @@ int vdp_control_port_write(vdp_context * context, uint16_t value) 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; |