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-fidel6502: Addressed some cleanups suggested by hap, nw

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This commit is contained in:
mooglyguy 2018-09-03 22:05:38 +02:00
parent 80cca156a0
commit 00e87e411c
1 changed files with 17 additions and 18 deletions
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35
src/mame/drivers/fidel6502.cpp
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@ -471,7 +471,6 @@ class fidel6502_state : public fidelbase_state
public:
fidel6502_state(const machine_config &mconfig, device_type type, const char *tag)
: fidelbase_state(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_ppi8255(*this, "ppi8255"),
m_rombank(*this, "rombank"),
m_mainmap(*this, "mainmap"),
@ -483,7 +482,8 @@ public:
void rsc(machine_config &config);
DECLARE_INPUT_CHANGED_MEMBER(su9_cpu_freq);
void eas(machine_config &config, bool with_ppi_and_nvram = true);
void eas_base(machine_config &config);
void eas(machine_config &config);
void eag(machine_config &config);
void pc(machine_config &config);
void init_eag();
@ -524,7 +524,6 @@ public:
private:
// devices/pointers
required_device<cpu_device> m_maincpu;
optional_device<i8255_device> m_ppi8255;
optional_memory_bank m_rombank;
optional_device<address_map_bank_device> m_mainmap;
@ -1914,13 +1913,11 @@ void fidel6502_state::su9(machine_config &config)
config.set_default_layout(layout_fidel_su9);
}
void fidel6502_state::eas(machine_config &config, bool with_ppi_and_nvram)
{
MACHINE_CONFIG_START(fidel6502_state::eas_base)
/* basic machine hardware */
R65C02(config, m_maincpu, 3_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &fidel6502_state::div_trampoline);
device_t *device;
MCFG_TIMER_DRIVER_ADD_PERIODIC("irq_on", fidel6502_state, irq_on, attotime::from_hz(38.4_kHz_XTAL/64)) // through 4060 IC, 600Hz
MCFG_TIMER_START_DELAY(attotime::from_hz(38.4_kHz_XTAL/64) - attotime::from_hz(38.4_kHz_XTAL*2)) // edge!
@ -1929,17 +1926,6 @@ void fidel6502_state::eas(machine_config &config, bool with_ppi_and_nvram)
ADDRESS_MAP_BANK(config, m_mainmap).set_map(&fidel6502_state::eas_map).set_options(ENDIANNESS_LITTLE, 8, 16);
if (with_ppi_and_nvram)
{
I8255(config, m_ppi8255); // port B: input, port A & C: output
m_ppi8255->out_pa_callback().set(FUNC(fidel6502_state::eas_ppi_porta_w));
m_ppi8255->tri_pa_callback().set_constant(0);
m_ppi8255->in_pb_callback().set(FUNC(fidel6502_state::eas_ppi_portb_r));
m_ppi8255->out_pc_callback().set(FUNC(fidel6502_state::eas_ppi_portc_w));
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
}
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", fidelbase_state, display_decay_tick, attotime::from_msec(1))
config.set_default_layout(layout_fidel_eas);
@ -1959,10 +1945,23 @@ void fidel6502_state::eas(machine_config &config, bool with_ppi_and_nvram)
cartslot.set_device_load(device_image_load_delegate(&fidelbase_state::device_image_load_scc_cartridge, this));
SOFTWARE_LIST(config, "cart_list").set_original("fidel_scc");
MACHINE_CONFIG_END
void fidel6502_state::eas(machine_config &config)
{
eas_base(config);
I8255(config, m_ppi8255); // port B: input, port A & C: output
m_ppi8255->out_pa_callback().set(FUNC(fidel6502_state::eas_ppi_porta_w));
m_ppi8255->tri_pa_callback().set_constant(0);
m_ppi8255->in_pb_callback().set(FUNC(fidel6502_state::eas_ppi_portb_r));
m_ppi8255->out_pc_callback().set(FUNC(fidel6502_state::eas_ppi_portc_w));
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
}
MACHINE_CONFIG_START(fidel6502_state::pc)
eas(config, false);
eas_base(config);
/* basic machine hardware */
m_maincpu->set_clock(4_MHz_XTAL); // R65C02P4