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elf: correction to in button, remove some more trampolines

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This commit is contained in:
hap 2025-01-12 12:54:38 +01:00
parent 15f8ec61e3
commit 02f5cf6671
2 changed files with 16 additions and 33 deletions
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45
src/mame/netronics/elf.cpp
View File

@ -13,6 +13,7 @@
and it will write twice. It is because set_input_line is delayed until
the CPU finished execute_run after sc_w.
- proper layout
- add cassette I/O
*/
@ -22,18 +23,12 @@
#include "speaker.h"
#include "elf2.lh"
#define RUN \
BIT(m_special->read(), 0)
#define LOAD \
BIT(m_special->read(), 1)
#define MEMORY_PROTECT \
BIT(m_special->read(), 2)
#define INPUT \
BIT(m_special->read(), 3)
/* Read/Write Handlers */
uint8_t elf2_state::dispon_r()
@ -94,13 +89,18 @@ void elf2_state::elf2_io(address_map &map)
/* Input Ports */
INPUT_CHANGED_MEMBER(elf2_state::load_w)
{
/* DMAIN is reset while LOAD is off */
if (!newval)
m_maincpu->set_input_line(COSMAC_INPUT_LINE_DMAIN, CLEAR_LINE);
}
INPUT_CHANGED_MEMBER(elf2_state::input_w)
{
if (newval && ~m_sc & 2)
{
/* assert DMAIN */
/* assert DMAIN */
if (LOAD && !newval && ~m_sc & 2)
m_maincpu->set_input_line(COSMAC_INPUT_LINE_DMAIN, ASSERT_LINE);
}
}
static INPUT_PORTS_START( elf2 )
@ -134,28 +134,13 @@ static INPUT_PORTS_START( elf2 )
PORT_START("SPECIAL")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RUN") PORT_CODE(KEYCODE_R) PORT_TOGGLE
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LOAD") PORT_CODE(KEYCODE_L) PORT_TOGGLE
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LOAD") PORT_CODE(KEYCODE_L) PORT_TOGGLE PORT_CHANGED_MEMBER(DEVICE_SELF, FUNC(elf2_state::load_w), 0)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M/P") PORT_CODE(KEYCODE_M) PORT_TOGGLE
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("INPUT") PORT_CODE(KEYCODE_ENTER) PORT_CHANGED_MEMBER(DEVICE_SELF, FUNC(elf2_state::input_w), 0)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("IN") PORT_CODE(KEYCODE_ENTER) PORT_CHANGED_MEMBER(DEVICE_SELF, FUNC(elf2_state::input_w), 0)
INPUT_PORTS_END
/* CDP1802 Configuration */
int elf2_state::wait_r()
{
return !LOAD;
}
int elf2_state::clear_r()
{
return RUN;
}
int elf2_state::ef4_r()
{
return INPUT;
}
uint8_t elf2_state::dma_r()
{
return m_data;
@ -226,9 +211,9 @@ void elf2_state::elf2(machine_config &config)
CDP1802(config, m_maincpu, XTAL(3'579'545)/2);
m_maincpu->set_addrmap(AS_PROGRAM, &elf2_state::elf2_mem);
m_maincpu->set_addrmap(AS_IO, &elf2_state::elf2_io);
m_maincpu->wait_cb().set(FUNC(elf2_state::wait_r));
m_maincpu->clear_cb().set(FUNC(elf2_state::clear_r));
m_maincpu->ef4_cb().set(FUNC(elf2_state::ef4_r));
m_maincpu->wait_cb().set_ioport("SPECIAL").bit(1).invert();
m_maincpu->clear_cb().set_ioport("SPECIAL").bit(0);
m_maincpu->ef4_cb().set_ioport("SPECIAL").bit(3);
m_maincpu->q_cb().set_output("led0");
m_maincpu->dma_rd_cb().set(FUNC(elf2_state::dma_r));
m_maincpu->dma_wr_cb().set(m_vdc, FUNC(cdp1861_device::dma_w));

4
src/mame/netronics/elf.h
View File

@ -39,6 +39,7 @@ public:
void elf2(machine_config &config);
DECLARE_INPUT_CHANGED_MEMBER(load_w);
DECLARE_INPUT_CHANGED_MEMBER(input_w);
protected:
@ -49,9 +50,6 @@ private:
uint8_t data_r();
void data_w(uint8_t data);
void memory_w(offs_t offset, uint8_t data);
int wait_r();
int clear_r();
int ef4_r();
uint8_t dma_r();
void sc_w(uint8_t data);
void da_w(int state);