diff options
author | Mike Pavone <pavone@retrodev.com> | 2013-05-11 22:45:05 -0700 |
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committer | Mike Pavone <pavone@retrodev.com> | 2013-05-11 22:45:05 -0700 |
commit | 4fd8e5c9fe3b0dcbd1f77076b9a10ecb5afff238 (patch) | |
tree | d4ca121354f25b89318b1cc9b37d5e73d2e720f8 /vdp.c | |
parent | bd37bedca78611c47b5ecbc7f8a9fbc78c39b910 (diff) |
Remove z80_ram reference in SDL renderer to get stateview compiling again. Print out the sprite list in stateview.
Diffstat (limited to 'vdp.c')
-rw-r--r-- | vdp.c | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -66,6 +66,24 @@ void render_sprite_cells(vdp_context * context) } } +void vdp_print_sprite_table(vdp_context * context) +{ + uint16_t sat_address = (context->regs[REG_SAT] & 0x7F) << 9; + uint16_t current_index = 0; + uint8_t count = 0; + do { + uint16_t address = current_index * 8 + sat_address; + uint8_t height = ((context->vdpmem[address+2] & 0x3) + 1) * 8; + uint8_t width = (((context->vdpmem[address+2] >> 2) & 0x3) + 1) * 8; + int16_t y = ((context->vdpmem[address] & 0x3) << 8 | context->vdpmem[address+1]) & 0x1FF; + int16_t x = ((context->vdpmem[address+ 2] & 0x3) << 8 | context->vdpmem[address + 3]) & 0x1FF; + uint16_t link = context->vdpmem[address+3] & 0x7F; + printf("Sprite %d: X=%d, Y=%d, Width=%u, Height=%u, Link=%u\n", current_index, x, y, width, height, link); + current_index = link; + count++; + } while (current_index != 0 && count < 80); +} + void scan_sprite_table(uint32_t line, vdp_context * context) { if (context->sprite_index && context->slot_counter) { |