Mercurial > repos > blastem
changeset 1133:28363cb568c4
Make Mode 4 sprite rendering a little less broken
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Sun, 01 Jan 2017 01:23:26 -0800 |
parents | fd3b8ac57aca |
children | 15a32da89d23 |
files | vdp.c |
diffstat | 1 files changed, 5 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/vdp.c Sun Jan 01 01:16:43 2017 -0800 +++ b/vdp.c Sun Jan 01 01:23:26 2017 -0800 @@ -589,9 +589,12 @@ uint32_t address = (context->regs[REG_SAT] << 7 & 0x3F00) + 0x80 + context->sprite_info_list[context->cur_slot].index * 2; address = mode4_address_map[address]; --context->sprite_draws; - uint32_t tile_address = context->vdpmem[address + 1] * 32 + (context->regs[REG_STILE_BASE] << 11 & 0x2000); + uint32_t tile_address = context->vdpmem[address] * 32 + (context->regs[REG_STILE_BASE] << 11 & 0x2000); + if (context->regs[REG_MODE_2] & BIT_SPRITE_SZ) { + tile_address &= ~32; + } tile_address += (line - context->sprite_info_list[context->cur_slot].y)* 4; - context->sprite_draw_list[context->sprite_draws].x_pos = context->vdpmem[address]; + context->sprite_draw_list[context->sprite_draws].x_pos = context->vdpmem[address + 1]; context->sprite_draw_list[context->sprite_draws].address = tile_address; context->cur_slot--; } else {