diff options
Diffstat (limited to 'vdp.c')
| -rw-r--r-- | vdp.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -151,6 +151,7 @@ void read_map_scroll(uint16_t column, uint32_t line, uint32_t scroll_reg, uint16 } vscroll &= (context->vsram[context->regs[REG_MODE_3] & 0x4 ? column : 0] + line); context->v_offset = vscroll & 0x7; + printf("BG | line %d, vsram: %d, vscroll: %d, v_offset: %d\n", line, context->vsram[context->regs[REG_MODE_3] & 0x4 ? column : 0], vscroll, context->v_offset); vscroll /= 8; uint16_t hscroll_mask; uint16_t v_mul; @@ -176,7 +177,7 @@ void read_map_scroll(uint16_t column, uint32_t line, uint32_t scroll_reg, uint16 } uint16_t hscroll = (hscroll_val + (column-2) * 8) & hscroll_mask; uint16_t offset = address + ((vscroll * v_mul + hscroll/4) & 0x1FFF); - //printf("A | line: %d, col: %d, x: %d, hs_mask %X, v_mul: %d, scr reg: %X, tbl addr: %X\n", line, column, hscroll, hscroll_mask, v_mul, context->regs[REG_SCROLL], offset); + printf("BG | line: %d, col: %d, x: %d, hs_mask %X, v_mul: %d, scr reg: %X, tbl addr: %X\n", line, column, hscroll, hscroll_mask, v_mul, context->regs[REG_SCROLL], offset); context->col_1 = (context->vdpmem[offset] << 8) | context->vdpmem[offset+1]; hscroll = (hscroll_val + (column-1) * 8) & hscroll_mask; offset = address + ((vscroll * v_mul + hscroll/4) & 0x1FFF); @@ -900,7 +901,7 @@ void vdp_load_savestate(vdp_context * context, FILE * state_file) } fread(tmp_buf, 2, VSRAM_SIZE, state_file); for (int i = 0; i < VSRAM_SIZE; i++) { - context->vsram[i] = (tmp_buf[i*2] << 8) | tmp_buf[i*2+1]; + context->vsram[i] = (tmp_buf[i*2+1] << 8) | tmp_buf[i*2]; } fseek(state_file, GST_VDP_MEM, SEEK_SET); fread(context->vdpmem, 1, VRAM_SIZE, state_file); |