Mercurial > repos > blastem
diff vdp.c @ 322:8e2fa485c0f2
Remove z80_ram reference in SDL renderer to get stateview compiling again. Print out the sprite list in stateview.
| author | Mike Pavone <pavone@retrodev.com> |
|---|---|
| date | Sat, 11 May 2013 22:45:05 -0700 |
| parents | 789f2f5f2277 |
| children | 8c01b4154480 |
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--- a/vdp.c Sat May 11 21:19:31 2013 -0700 +++ b/vdp.c Sat May 11 22:45:05 2013 -0700 @@ -66,6 +66,24 @@ } } +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) {