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(MESS) fc100 : revert r29831

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This commit is contained in:
Robbbert 2014-04-23 10:19:25 +00:00
parent 6adfdc4ef8
commit 84bbd78250
2 changed files with 8 additions and 8 deletions
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2
src/lib/formats/fc100_cas.c
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@ -15,7 +15,7 @@ it's all a guess.
#define WAVEENTRY_LOW -32768
#define WAVEENTRY_HIGH 32767
#define FC100_WAV_FREQUENCY 4800
#define FC100_WAV_FREQUENCY 9600
#define FC100_HEADER_BYTES 16
// image size

14
src/mess/drivers/fc100.c
View File

@ -21,7 +21,7 @@ Test of semigraphic 6
RUN
TODO:
- Cassette frequencies are guesses, need to be verified
- Cassette can be 600 or 1200 baud, how is 600 baud selected?
- Hookup Graphics modes and colours
- Unknown i/o ports
- Need software
@ -441,14 +441,14 @@ TIMER_DEVICE_CALLBACK_MEMBER( fc100_state::timer_c )
}
if (m_cass_state)
m_cass->output(BIT(m_cass_data[3], 0) ? -1.0 : +1.0); // 1200Hz
m_cass->output(BIT(m_cass_data[3], 0) ? -1.0 : +1.0); // 2400Hz
else
m_cass->output(BIT(m_cass_data[3], 1) ? -1.0 : +1.0); // 600Hz
m_cass->output(BIT(m_cass_data[3], 1) ? -1.0 : +1.0); // 1200Hz
}
TIMER_DEVICE_CALLBACK_MEMBER( fc100_state::timer_p)
{
/* cassette - turn 600/1200Hz to a bit */
/* cassette - turn 1200/2400Hz to a bit */
m_cass_data[1]++;
UINT8 cass_ws = (m_cass->input() > +0.03) ? 1 : 0;
@ -526,10 +526,10 @@ static MACHINE_CONFIG_START( fc100, fc100_state )
MCFG_CASSETTE_ADD("cassette", fc100_cassette_interface)
MCFG_DEVICE_ADD("uart", I8251, 0)
MCFG_I8251_TXD_HANDLER(WRITELINE(fc100_state, txdata_callback))
MCFG_DEVICE_ADD("uart_clock", CLOCK, XTAL_4_9152MHz/16/16/2) // gives 9600
MCFG_DEVICE_ADD("uart_clock", CLOCK, XTAL_4_9152MHz/16/16) // gives 19200
MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(fc100_state, uart_clock_w))
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_c", fc100_state, timer_c, attotime::from_hz(2400)) // cass write
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_p", fc100_state, timer_p, attotime::from_hz(20000)) // cass read
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_c", fc100_state, timer_c, attotime::from_hz(4800)) // cass write
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_p", fc100_state, timer_p, attotime::from_hz(40000)) // cass read
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_k", fc100_state, timer_k, attotime::from_hz(300)) // keyb scan
MCFG_CARTSLOT_ADD("cart")
MACHINE_CONFIG_END