diff options
Diffstat (limited to 'vdp.c')
| -rw-r--r-- | vdp.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -555,7 +555,6 @@ static void scan_sprite_table(uint32_t line, vdp_context * context) { if (context->sprite_index && ((uint8_t)context->slot_counter) < context->max_sprites_line) { line += 1; - line &= 0xFF; uint16_t ymask, ymin; uint8_t height_mult; if (context->double_res) { @@ -579,6 +578,7 @@ static void scan_sprite_table(uint32_t line, vdp_context * context) } uint16_t address = context->sprite_index * 4; line += ymin; + line &= 0x1FF; uint16_t y = ((context->sat_cache[address] & 0x3) << 8 | context->sat_cache[address+1]) & ymask; uint8_t height = ((context->sat_cache[address+2] & 0x3) + 1) * height_mult; //printf("Sprite %d | y: %d, height: %d\n", context->sprite_index, y, height); @@ -668,7 +668,6 @@ static void read_sprite_x(uint32_t line, vdp_context * context) if (context->cur_slot < context->slot_counter) { if (context->sprite_draws) { line += 1; - line &= 0xFF; //in tiles uint8_t width = ((context->sprite_info_list[context->cur_slot].size >> 2) & 0x3) + 1; //in pixels @@ -693,7 +692,8 @@ static void read_sprite_x(uint32_t line, vdp_context * context) uint8_t pal_priority = (tileinfo >> 9) & 0x70; uint8_t row; uint16_t cache_addr = context->sprite_info_list[context->cur_slot].index * 4; - int16_t y = ((context->sat_cache[cache_addr] << 8 | context->sat_cache[cache_addr+1]) & ymask) - ymin; + line = (line + ymin) & 0x1FF; + int16_t y = ((context->sat_cache[cache_addr] << 8 | context->sat_cache[cache_addr+1]) & ymask)/* - ymin*/; if (tileinfo & MAP_BIT_V_FLIP) { row = (y + height - 1) - line; } else { |