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Merge pull request #564 from meesokim/patch-6

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[spc1000] cassette tape motor fixed for working properly [Miso Kim]
This commit is contained in:
Miodrag Milanović 2016-01-13 17:52:41 +01:00
commit 57ea5b0e4f
1 changed files with 6 additions and 11 deletions
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17
src/mame/drivers/spc1000.cpp
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@ -15,7 +15,7 @@ NOTE: 2014-09-13: added code from someone's modified MESS driver for floppy
disk. Since it is not to our coding standards, it is
commented out with #if 0/#endif and 3 slashes (///).
It is planned to be converted when time permits. The
author is Meeso Kim.
author is Miso Kim.
Hardware details of the fdc: Intelligent device, Z80 CPU,
XTAL_8MHz, PPI 8255, FDC uPD765C, 2 RAM chips, 28 other
@ -26,12 +26,7 @@ NOTE: 2014-09-13: added code from someone's modified MESS driver for floppy
2015-06-19: Added code for the centronics printer port
IMPORTANT NOTE for tape usage: you *FIRST* press PLAY on the tape drive
(e.g. by pressing F2 in partial emulated keyboard mode) and *THEN* you
type LOAD on the BASIC prompt!
Otherwise, the system turns the tape motor ON but it does not receive any
data from tape, and it turns it OFF before the user can press PLAY.
2016-01-14: Casstte tape motor fixed for working perperly and ROM file changed for CP/M disk loading
****************************************************************************/
/*
@ -224,7 +219,7 @@ WRITE8_MEMBER( spc1000_state::cass_w )
{
attotime time = machine().scheduler().time();
m_cass->output(BIT(data, 0) ? -1.0 : 1.0);
if (BIT(data, 1) && ATTOSECONDS_IN_MSEC((time - m_time).as_attoseconds()) > 500) {
if (BIT(data, 1) && (time - m_time).as_attoseconds()/ATTOSECONDS_PER_MICROSECOND > 100) {
m_cass->change_state((m_cass->get_state() & CASSETTE_MASK_MOTOR) == CASSETTE_MOTOR_DISABLED ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
m_time = time;
}
@ -438,7 +433,7 @@ READ8_MEMBER( spc1000_state::porta_r )
{
UINT8 data = 0x3f;
data |= (m_cass->input() > 0.0038) ? 0x80 : 0;
data |= ((m_cass->get_state() & CASSETTE_MASK_UISTATE) != CASSETTE_STOPPED) && ((m_cass->get_state() & CASSETTE_MASK_MOTOR) == CASSETTE_MOTOR_ENABLED) ? 0x00 : 0x40;
data |= ((m_cass->get_state() & CASSETTE_MASK_UISTATE) == CASSETTE_STOPPED || ((m_cass->get_state() & CASSETTE_MASK_MOTOR) == CASSETTE_MOTOR_DISABLED)) ? 0x40 : 0;
data &= ~(m_io_joy->read() & 0x3f);
data &= ~((m_centronics_busy == 0)<< 5);
return data;
@ -506,7 +501,7 @@ MACHINE_CONFIG_END
/* ROM definition */
ROM_START( spc1000 )
ROM_REGION(0x10000, "maincpu", ROMREGION_ERASEFF)
ROM_LOAD("spcall.rom", 0x0000, 0x8000, CRC(19638fc9) SHA1(489f1baa7aebf3c8c660325fb1fd790d84203284))
ROM_LOAD("spcall.rom", 0x0000, 0x8000, CRC(240426be) SHA1(8eb32e147c17a6d0f947b8bb3c6844750a7b64a8))
ROM_END
#if 0
@ -521,4 +516,4 @@ ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
COMP( 1982, spc1000, 0, 0, spc1000, spc1000, driver_device, 0, "Samsung", "SPC-1000", MACHINE_NOT_WORKING )
COMP( 1982, spc1000, 0, 0, spc1000, spc1000, driver_device, 0, "Samsung", "SPC-1000", 0 )