Initial commit

[pdp8.git] / sw / speed8 / pc / memory.c

#include <stdint.h>

#include "speed8.h"
#include "link.h"
#include "memory.h"


int get_buffer(uint16_t * buffer){
  uint16_t cb[2];
  int res;
  cb[0]=ATTENTION;
  cb[1]=CMD_GET_BUFFER;
  
  res=link_write(cb,2);
  if (res<0) return res;
  res=link_read(buffer, 4096);
  if (res<0) return res;
  return 0;
}

int put_buffer(uint16_t * buffer){
  uint16_t cb[2];
  int res;
  cb[0]=ATTENTION;
  cb[1]=CMD_PUT_BUFFER;
  res=link_write(cb,2);
  if (res<0) return res;
  res=link_write(buffer, 4096);
  if (res<0) return res;
  return 0;
}