cool-bun-demo/system/copper.c

#include "copper.h"
#include "system.h"

#include <clib/exec_protos.h>
#include <exec/memory.h>
#include <hardware/custom.h>

extern struct Custom far custom;

uint16_t copperlistSize;

uint16_t * prepareNewCopperlist(uint16_t size_b) {
  uint16_t *copperlist;

  copperlistSize = size_b;

  copperlist = AllocMem(
    copperlistSize,
    MEMF_CHIP | MEMF_CLEAR
  );

  initializeCopperlist(copperlist);

  return copperlist;
}

void setCopperlist(uint16_t *copperlist) {
  custom.cop1lc = copperlist;
  custom.copjmp1 = 1;
}

void freeCopperlist(uint16_t *copperlist) {
  FreeMem(copperlist, copperlistSize);
}