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fixeight: hooked up EEPROM [David Haywood]

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This commit is contained in:
Roberto Zandona 2011-01-21 06:36:04 +00:00
parent 81e7829c4d
commit 2aa828e6f3
1 changed files with 25 additions and 2 deletions
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27
src/mame/drivers/toaplan2.c
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@ -1800,10 +1800,30 @@ static ADDRESS_MAP_START( V25_rambased_nooki_mem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x80000, 0x87fff) AM_MIRROR(0x78000) AM_RAM AM_BASE_MEMBER(toaplan2_state, batsugun_share)
ADDRESS_MAP_END
READ8_DEVICE_HANDLER( fixeight_eeprom_r )
{
int bit = eeprom_read_bit(device);
return bit<<7;
}
static WRITE8_DEVICE_HANDLER(fixeight_eeprom_w )
{
// latch the bit
eeprom_write_bit(device, data & 0x0040);
// reset line asserted: reset.
eeprom_set_cs_line(device, (data & 0x0010) ? CLEAR_LINE : ASSERT_LINE);
// clock line asserted: write latch or select next bit to read
eeprom_set_clock_line(device, (data & 0x0020) ? ASSERT_LINE : CLEAR_LINE);
}
static ADDRESS_MAP_START( V25_fixeight_mem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000a, 0x0000b) AM_DEVREADWRITE("ymsnd", ym2151_r, ym2151_w)
AM_RANGE(0x0000c, 0x0000c) AM_DEVREADWRITE_MODERN("oki", okim6295_device, read, write)
AM_RANGE(0x00f00, 0x00f00) AM_DEVREADWRITE("eeprom", fixeight_eeprom_r, fixeight_eeprom_w)
AM_RANGE(0x80000, 0x87fff) AM_MIRROR(0x78000) AM_RAM AM_BASE_MEMBER(toaplan2_state, batsugun_share)
ADDRESS_MAP_END
@ -3684,6 +3704,8 @@ static MACHINE_CONFIG_START( fixeight, toaplan2_state )
// MCFG_NVRAM_HANDLER(fixeight) /* See 37B6 code */
MCFG_EEPROM_93C46_ADD("eeprom")
/* video hardware */
MCFG_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK)
@ -4396,9 +4418,9 @@ ROM_START( fixeight )
ROM_REGION( 0x40000, "oki", 0 ) /* ADPCM Samples */
ROM_LOAD( "tp-026-2", 0x00000, 0x40000, CRC(85063f1f) SHA1(1bf4d77494de421c98f6273b9876e60d827a6826) )
ROM_REGION( 0x80, "user1", 0 )
ROM_REGION( 0x80, "eeprom", 0 )
/* Serial EEPROM (93C45) connected to Secondary CPU */
ROM_LOAD( "93c45.u21", 0x00, 0x80, CRC(40d75df0) SHA1(a22f1cc74ce9bc9bfe53f48f6a43ab60e921052b) )
ROM_LOAD16_WORD_SWAP( "93c45.u21", 0x00, 0x80, CRC(40d75df0) SHA1(a22f1cc74ce9bc9bfe53f48f6a43ab60e921052b) )
ROM_END
@ -5273,3 +5295,4 @@ GAME( 1999, bkraidj, bkraidu, bbakraid, bbakraid, bbakraid, ROT270, "Eighting"