diff options
Diffstat (limited to 'src/mame/drivers/pimps.c')
-rw-r--r-- | src/mame/drivers/pimps.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/mame/drivers/pimps.c b/src/mame/drivers/pimps.c new file mode 100644 index 00000000000..633aa870ac0 --- /dev/null +++ b/src/mame/drivers/pimps.c @@ -0,0 +1,114 @@ +// license:BSD-3-Clause +// copyright-holders:Robbbert +/*************************************************************************** + + P.I.M.P.S. (Personal Interactive MicroProcessor System) + + 06/12/2009 Skeleton driver. + +Commands: +A Assemble Code +D Dump Memory +E Enter the Text Editor +F Full Duplex Host Operation +G Go To +H Half Duplex Host Operation +M Memory +P Port +S Substitute +T Transparent Mode +U Usart Parameters for Host +V Virtual Memory + +****************************************************************************/ + +#include "emu.h" +#include "cpu/i8085/i8085.h" +#include "machine/terminal.h" + +#define TERMINAL_TAG "terminal" + +class pimps_state : public driver_device +{ +public: + pimps_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_terminal(*this, TERMINAL_TAG), + m_maincpu(*this, "maincpu") + { + } + + DECLARE_READ8_MEMBER(term_status_r); + DECLARE_READ8_MEMBER(term_r); + DECLARE_WRITE8_MEMBER(kbd_put); + UINT8 m_term_data; + virtual void machine_reset(); + + required_device<generic_terminal_device> m_terminal; + required_device<cpu_device> m_maincpu; +}; + + +// should be 8251 UART + + +READ8_MEMBER( pimps_state::term_status_r ) +{ + return (m_term_data) ? 3 : 1; +} + +READ8_MEMBER( pimps_state::term_r ) +{ + UINT8 ret = m_term_data; + m_term_data = 0; + return ret; +} + +static ADDRESS_MAP_START(pimps_mem, AS_PROGRAM, 8, pimps_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0x0000, 0xefff) AM_RAM + AM_RANGE(0xf000, 0xffff) AM_ROM +ADDRESS_MAP_END + +static ADDRESS_MAP_START(pimps_io, AS_IO, 8, pimps_state) + ADDRESS_MAP_UNMAP_HIGH + AM_RANGE(0xf0, 0xf0) AM_READ(term_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write) + AM_RANGE(0xf1, 0xf1) AM_READ(term_status_r) +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( pimps ) +INPUT_PORTS_END + + +void pimps_state::machine_reset() +{ + m_term_data = 0; +} + +WRITE8_MEMBER( pimps_state::kbd_put ) +{ + m_term_data = data; +} + +static MACHINE_CONFIG_START( pimps, pimps_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",I8085A, XTAL_2MHz) + MCFG_CPU_PROGRAM_MAP(pimps_mem) + MCFG_CPU_IO_MAP(pimps_io) + + /* video hardware */ + MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) + MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(pimps_state, kbd_put)) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( pimps ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_LOAD( "pimps.bin", 0xf000, 0x1000, CRC(5da1898f) SHA1(d20e31d0981a1f54c83186dbdfcf4280e49970d0)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 197?, pimps, 0, 0, pimps, pimps, driver_device, 0, "Henry Colford", "P.I.M.P.S.", MACHINE_NO_SOUND_HW) |