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acrnsys1: Minor cleanup, and changed company to Acorn Computers.

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This commit is contained in:
Nigel Barnes 2023-11-17 22:14:49 +00:00
parent 4a29438376
commit e8ece572f4
1 changed files with 15 additions and 21 deletions
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36
src/mame/acorn/acrnsys1.cpp
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@ -4,13 +4,6 @@
Acorn System 1 (Microcomputer Kit) Acorn System 1 (Microcomputer Kit)
Skeleton driver
Driver by Dirk Best
2011-06-26 Keyboard & display fixed. [Robbbert]
http://speleotrove.com/acorn/ http://speleotrove.com/acorn/
- (modify) Memory display and modification l (load) Reads a block of bytes from tape - (modify) Memory display and modification l (load) Reads a block of bytes from tape
@ -74,8 +67,16 @@ public:
void acrnsys1(machine_config &config); void acrnsys1(machine_config &config);
private: protected:
virtual void machine_start() override; virtual void machine_start() override;
private:
required_device<cpu_device> m_maincpu;
required_device<ttl74145_device> m_ttl74145;
required_device<cassette_image_device> m_cass;
required_ioport_array<8> m_keyboard;
output_finder<9> m_display;
uint8_t ins8154_b1_port_a_r(); uint8_t ins8154_b1_port_a_r();
void ins8154_b1_port_a_w(uint8_t data); void ins8154_b1_port_a_w(uint8_t data);
void acrnsys1_led_segment_w(uint8_t data); void acrnsys1_led_segment_w(uint8_t data);
@ -83,11 +84,6 @@ private:
TIMER_DEVICE_CALLBACK_MEMBER(kansas_r); TIMER_DEVICE_CALLBACK_MEMBER(kansas_r);
void mem_map(address_map &map); void mem_map(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<ttl74145_device> m_ttl74145;
required_device<cassette_image_device> m_cass;
required_ioport_array<8> m_keyboard;
output_finder<9> m_display;
uint8_t m_digit = 0; uint8_t m_digit = 0;
uint8_t m_cass_data[4]{}; uint8_t m_cass_data[4]{};
bool m_cassbit = 0; bool m_cassbit = 0;
@ -128,7 +124,7 @@ uint8_t acrnsys1_state::ins8154_b1_port_a_r()
} }
// bit 6 is cassout // bit 6 is cassout
void acrnsys1_state::ins8154_b1_port_a_w(uint8_t data) void acrnsys1_state::ins8154_b1_port_a_w(uint8_t data)
{ {
m_digit = data & 0x47; m_digit = data & 0x47;
m_ttl74145->write(m_digit & 7); m_ttl74145->write(m_digit & 7);
@ -169,7 +165,7 @@ TIMER_DEVICE_CALLBACK_MEMBER(acrnsys1_state::kansas_r)
LED DISPLAY LED DISPLAY
***************************************************************************/ ***************************************************************************/
void acrnsys1_state::acrnsys1_led_segment_w(uint8_t data) void acrnsys1_state::acrnsys1_led_segment_w(uint8_t data)
{ {
uint16_t const key_line = m_ttl74145->read(); uint16_t const key_line = m_ttl74145->read();
@ -267,16 +263,13 @@ INPUT_PORTS_END
void acrnsys1_state::acrnsys1(machine_config &config) void acrnsys1_state::acrnsys1(machine_config &config)
{ {
/* basic machine hardware */ M6502(config, m_maincpu, 1.008_MHz_XTAL);
M6502(config, m_maincpu, 1.008_MHz_XTAL); /* 1.008 MHz */
m_maincpu->set_addrmap(AS_PROGRAM, &acrnsys1_state::mem_map); m_maincpu->set_addrmap(AS_PROGRAM, &acrnsys1_state::mem_map);
config.set_default_layout(layout_acrnsys1); config.set_default_layout(layout_acrnsys1);
/* sound hardware */
SPEAKER(config, "mono").front_center(); SPEAKER(config, "mono").front_center();
/* devices */
ins8154_device &b1(INS8154(config, "b1")); ins8154_device &b1(INS8154(config, "b1"));
b1.in_a().set(FUNC(acrnsys1_state::ins8154_b1_port_a_r)); b1.in_a().set(FUNC(acrnsys1_state::ins8154_b1_port_a_r));
b1.out_a().set(FUNC(acrnsys1_state::ins8154_b1_port_a_w)); b1.out_a().set(FUNC(acrnsys1_state::ins8154_b1_port_a_w));
@ -299,6 +292,7 @@ void acrnsys1_state::acrnsys1(machine_config &config)
ROM_START( acrnsys1 ) ROM_START( acrnsys1 )
ROM_REGION(0x0200, "maincpu", 0) ROM_REGION(0x0200, "maincpu", 0)
// usually a pair of 74S571 PROMs in IC5 (Blue) and IC6 (Yellow)
ROM_LOAD("acrnsys1.bin", 0x0000, 0x0200, CRC(43dcfc16) SHA1(b987354c55beb5e2ced761970c3339b895a8c09d)) ROM_LOAD("acrnsys1.bin", 0x0000, 0x0200, CRC(43dcfc16) SHA1(b987354c55beb5e2ced761970c3339b895a8c09d))
ROM_END ROM_END
@ -309,5 +303,5 @@ ROM_END
GAME DRIVERS GAME DRIVERS
***************************************************************************/ ***************************************************************************/
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1979, acrnsys1, 0, 0, acrnsys1, acrnsys1, acrnsys1_state, empty_init, "Acorn", "Acorn System 1", MACHINE_SUPPORTS_SAVE ) COMP( 1979, acrnsys1, 0, 0, acrnsys1, acrnsys1, acrnsys1_state, empty_init, "Acorn Computers", "Acorn System 1", MACHINE_SUPPORTS_SAVE )