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(MESS) fc100 : added centronics printer

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This commit is contained in:
Robbbert 2014-04-23 12:15:58 +00:00
parent 84bbd78250
commit 4f28c91ece
1 changed files with 21 additions and 0 deletions
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21
src/mess/drivers/fc100.c
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@ -40,6 +40,8 @@ TODO:
#include "imagedev/cassette.h"
#include "sound/wave.h"
#include "formats/fc100_cas.h"
#include "machine/buffer.h"
#include "bus/centronics/ctronics.h"
class fc100_state : public driver_device
@ -52,11 +54,13 @@ public:
, m_p_videoram(*this, "videoram")
, m_cass(*this, "cassette")
, m_uart(*this, "uart")
, m_centronics(*this, "centronics")
{ }
DECLARE_READ8_MEMBER(mc6847_videoram_r);
DECLARE_WRITE8_MEMBER(port31_w);
DECLARE_WRITE8_MEMBER(port33_w);
DECLARE_WRITE8_MEMBER(port43_w);
DECLARE_WRITE_LINE_MEMBER(txdata_callback);
DECLARE_WRITE_LINE_MEMBER(uart_clock_w);
TIMER_DEVICE_CALLBACK_MEMBER(timer_c);
@ -92,6 +96,7 @@ private:
required_shared_ptr<UINT8> m_p_videoram;
required_device<cassette_image_device> m_cass;
required_device<i8251_device> m_uart;
required_device<centronics_device> m_centronics;
};
@ -127,6 +132,9 @@ static ADDRESS_MAP_START( fc100_io, AS_IO, 8, fc100_state )
AM_RANGE(0x23, 0x23) AM_DEVWRITE("psg", ay8910_device, address_w)
AM_RANGE(0x31, 0x31) AM_WRITE(port31_w)
AM_RANGE(0x33, 0x33) AM_WRITE(port33_w)
AM_RANGE(0x40, 0x40) AM_DEVWRITE("cent_data_out", output_latch_device, write)
AM_RANGE(0x43, 0x43) AM_WRITE(port43_w)
AM_RANGE(0x44, 0x44) AM_DEVREAD("cent_status_in", input_buffer_device, read)
// AM_RANGE(0x60, 0x61) writes 0 to both ports at boot
AM_RANGE(0x70, 0x70) AM_WRITENOP // each screen character also gets written here
// AM_RANGE(0x71, 0x71) writes 0 at boot
@ -405,6 +413,14 @@ static GFXDECODE_START( fc100 )
GFXDECODE_ENTRY( "chargen", 0x0000, u53_charlayout, 0, 1 )
GFXDECODE_END
//********************** CENTRONICS PRINTER ***********************************
WRITE8_MEMBER( fc100_state::port43_w )
{
m_centronics->write_strobe(BIT(data, 2));
m_centronics->write_init(BIT(data, 3));
}
//********************** UART/CASSETTE ***********************************
WRITE8_MEMBER( fc100_state::port31_w )
@ -532,6 +548,11 @@ static MACHINE_CONFIG_START( fc100, fc100_state )
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")
MCFG_CENTRONICS_ADD("centronics", centronics_printers, "printer")
MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE("cent_status_in", input_buffer_device, write_bit4))
MCFG_CENTRONICS_BUSY_HANDLER(DEVWRITELINE("cent_status_in", input_buffer_device, write_bit5))
MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
MCFG_DEVICE_ADD("cent_status_in", INPUT_BUFFER, 0)
MACHINE_CONFIG_END
/* ROM definition */