C++ (Cpp) spec128_select_rom Beispiele

Beispiel #1

Datei: spec128.c Projekt: CiaranG/ZXdroid

int
spec128_memory_map( void )
{
  int page, screen, rom;
  size_t i;

  page = machine_current->ram.last_byte & 0x07;
  screen = ( machine_current->ram.last_byte & 0x08 ) ? 7 : 5;
  rom = ( machine_current->ram.last_byte & 0x10 ) >> 4;

  /* If we changed the active screen, mark the entire display file as
     dirty so we redraw it on the next pass */
  if( memory_current_screen != screen ) {
    display_update_critical( 0, 0 );
    display_refresh_main_screen();
    memory_current_screen = screen;
  }

  spec128_select_rom( rom );
  spec128_select_page( page );

  for( i = 0; i < 8; i++ )
    memory_map_read[i] = memory_map_write[i] = *memory_map_home[i];

  memory_romcs_map();

  return 0;
}

Beispiel #2

Datei: pentagon512.c Projekt: twinaphex/sdcell

static int
pentagon_memory_map( void )
{
  int rom, page, screen;
  size_t i;

  screen = ( machine_current->ram.last_byte & 0x08 ) ? 7 : 5;
  if( memory_current_screen != screen ) {
    display_update_critical( 0, 0 );
    display_refresh_main_screen();
    memory_current_screen = screen;
  }

  if( beta_active && !( machine_current->ram.last_byte & 0x10 ) ) {
    rom = 2;
  } else {
    rom = ( machine_current->ram.last_byte & 0x10 ) >> 4;
  }

  machine_current->ram.current_rom = rom;

  spec128_select_rom( rom );

  page = machine_current->ram.last_byte & 0x07;

  page += ( machine_current->ram.last_byte & 0xC0 ) >> 3;

  spec128_select_page( page );
  machine_current->ram.current_page = page;

  for( i = 0; i < 8; i++ )
    memory_map_read[i] = memory_map_write[i] = *memory_map_home[i];

  memory_romcs_map();

  return 0;
}