git.mutantstargoat.com Git - mdlife/blob - src/main.c

   1 #include <stdio.h>
   2 #include "z80.h"
   3 #include "vdp.h"
   4 #include "pad.h"
   5 #include "sprite.h"
   6 #include "parts.h"
   7 #include "debug.h"
   8
   9 uint32_t frameno;
  10 uint32_t dbgval[4];
  11
  12 struct part parts[2];
  13 static struct part *part;
  14
  15
  16 int main(void)
  17 {
  18         int i;
  19         static unsigned short bnprev;
  20
  21         z80_init();
  22         vdp_init();
  23         pad_init();
  24         dbg_init();
  25
  26         dna_init();
  27         simba_init();
  28
  29         parts[0].start = dna_start;
  30         parts[0].update = dna_update;
  31         parts[1].start = simba_start;
  32         parts[1].update = simba_update;
  33         parts[1].vblank = simba_vblank;
  34         part = parts;
  35
  36         part->start();
  37
  38         for(;;) {
  39                 dbg_setcursor(32, 0);
  40                 for(i=0; i<4; i++) {
  41                         printf("%04x\n", (unsigned int)dbgval[i]);
  42                 }
  43                 spr_begin();
  44
  45                 part->update();
  46
  47                 vdp_wait_vblank();
  48                 if(part->vblank) part->vblank();
  49                 spr_submit();
  50                 bnstate = pad_read(0);
  51                 bndiff = bnstate ^ bnprev;
  52                 bnprev = bnstate;
  53
  54                 if(bndiff & bnstate & PAD_START) {
  55                         if(++part >= parts + 2) {
  56                                 part = parts;
  57                         }
  58                         part->start();
  59                 }
  60
  61                 frameno++;
  62         }
  63
  64         return 0;
  65 }