#include    <stdio.h>
#include    "system.h"
#include    "cpu.h"
#include    "atom.h"
#include    "screen.h"
UBYTE memory[65536],
      attrib[65536];
void init_memory ()
{
        int     i;
        for (i=0;i<65536;i++)
        {
                memory[i] = 0;
                attrib[i] = RAM;
        }
}
void SetMemory (int addr1, int addr2, int kind)
{
  int   i;
  for (i=addr1;i<=addr2;i++)
    {
      attrib[i] = kind;
    }
}
static UBYTE video_val = 0;
bool Atom_PutByte (UWORD addr, UBYTE byte)
{   /* Always in hardware */
    if (attrib[addr] == VIDEO)
    {   /* printf("Video    %x = %x\n", addr, byte); */
        update_video(addr, byte);
    }
    else
    {
        if (addr == 0xb000)
        {   UBYTE video = byte & 0xf0;
            /* printf("Hardware %4x %2x\n", addr, byte); */
            set_keyboard(byte & 0x0f);
            if (video != video_val)
            {   printf("Video mode %x %x\n", byte, byte >> 5);
                set_mode(byte & 0x10, byte >> 5);
                video_val = video;
            }
        }
        memory[addr] = byte;
    }
    return FALSE;
}
UBYTE Atom_GetByte (UWORD addr)
{
/***
    if (addr == 0xb001)
        printf("                      Read from %x = %x\n", addr, memory[addr]);
***/
    return memory[addr];
}