diff options
Diffstat (limited to 'vdp.c')
| -rw-r--r-- | vdp.c | 18 |
1 files changed, 11 insertions, 7 deletions
@@ -770,12 +770,14 @@ void vdp_h40(uint32_t line, uint32_t linecyc, vdp_context * context) case 0: context->cur_slot = MAX_DRAWS-1; memset(context->linebuf, 0, LINEBUF_SIZE); - render_sprite_cells(context); - break; case 1: case 2: case 3: - render_sprite_cells(context); + if (line == 0xFF) { + external_slot(context); + } else { + render_sprite_cells(context); + } break; //sprite attribute table scan starts case 4: @@ -922,12 +924,14 @@ void vdp_h32(uint32_t line, uint32_t linecyc, vdp_context * context) case 0: context->cur_slot = MAX_DRAWS_H32-1; memset(context->linebuf, 0, LINEBUF_SIZE); - render_sprite_cells(context); - break; case 1: case 2: case 3: - render_sprite_cells(context); + if (line == 0xFF) { + external_slot(context); + } else { + render_sprite_cells(context); + } break; //sprite attribute table scan starts case 4: @@ -1126,7 +1130,7 @@ void vdp_run_context(vdp_context * context, uint32_t target_cycles) context->flags2 |= FLAG2_VINT_PENDING; } } - if (line < active_lines && context->regs[REG_MODE_2] & DISPLAY_ENABLE) { + if ((line < active_lines || (line == active_lines && linecyc < (context->latched_mode & BIT_H40 ? 64 : 80))) && context->regs[REG_MODE_2] & DISPLAY_ENABLE) { //first sort-of active line is treated as 255 internally //it's used for gathering sprite info for line line = (line - 1) & 0xFF; |