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electron_romboxp: Fixed printer interface.

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This commit is contained in:
Nigel Barnes 2020-08-23 22:08:56 +01:00
parent 1bd446a192
commit ae568f3f60
2 changed files with 14 additions and 31 deletions
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42
src/devices/bus/electron/romboxp.cpp
View File

@ -38,23 +38,20 @@ ROM_START( romboxp )
ROM_SYSTEM_BIOS(0, "exp100", "ROMBOX+ Expansion 1.00")
ROMX_LOAD("romboxplus.rom", 0x0000, 0x2000, CRC(0520ab6d) SHA1(2f551bea279a64e09fd4d31024799f7459fb9938), ROM_BIOS(0))
ROM_SYSTEM_BIOS(1, "presap2", "PRES AP2 Support 1.23")
ROMX_LOAD("presap2rb_123.rom", 0x0000, 0x2000, CRC(04931d2c) SHA1(84a27fd30adea4e7f7c53e7875f63cf9e6928688), ROM_BIOS(1))
ROM_SYSTEM_BIOS(1, "exp101", "Slogger Expansion 1.01")
ROMX_LOAD("exprom101.rom", 0x0000, 0x2000, CRC(6f854419) SHA1(1f3e7e0c2843e1a364b4b3f96c890fe70ef03200), ROM_BIOS(1))
ROM_SYSTEM_BIOS(2, "exp101", "Slogger Expansion 1.01")
ROMX_LOAD("exprom101.rom", 0x0000, 0x2000, CRC(6f854419) SHA1(1f3e7e0c2843e1a364b4b3f96c890fe70ef03200), ROM_BIOS(2))
ROM_SYSTEM_BIOS(2, "exp200", "Slogger Expansion 2.00")
ROMX_LOAD("elkexp200.rom", 0x0000, 0x2000, CRC(dee02843) SHA1(5c9b940b4ddb46e9a223160310683a32266300c8), ROM_BIOS(2))
ROM_SYSTEM_BIOS(3, "exp200", "Slogger Expansion 2.00")
ROMX_LOAD("elkexp200.rom", 0x0000, 0x2000, CRC(dee02843) SHA1(5c9b940b4ddb46e9a223160310683a32266300c8), ROM_BIOS(3))
ROM_SYSTEM_BIOS(3, "exp201", "Slogger Expansion 2.01")
ROMX_LOAD("elkexp201.rom", 0x0000, 0x2000, CRC(0e896892) SHA1(4e0794f1083fe529b01bd4fa100996a533ed8b10), ROM_BIOS(3))
ROM_SYSTEM_BIOS(4, "exp201", "Slogger Expansion 2.01")
ROMX_LOAD("elkexp201.rom", 0x0000, 0x2000, CRC(0e896892) SHA1(4e0794f1083fe529b01bd4fa100996a533ed8b10), ROM_BIOS(4))
ROM_SYSTEM_BIOS(4, "exp202", "Slogger Expansion 2.02")
ROMX_LOAD("elkexp202.rom", 0x0000, 0x2000, CRC(32b440be) SHA1(dbc73e8d919c5615d0241d99db60e06324e16c86), ROM_BIOS(4))
ROM_SYSTEM_BIOS(5, "exp202", "Slogger Expansion 2.02")
ROMX_LOAD("elkexp202.rom", 0x0000, 0x2000, CRC(32b440be) SHA1(dbc73e8d919c5615d0241d99db60e06324e16c86), ROM_BIOS(5))
ROM_SYSTEM_BIOS(6, "exp210", "Slogger Expansion 2.10 (dev)")
ROMX_LOAD("elkexp210.rom", 0x0000, 0x2000, CRC(12442575) SHA1(eb8609991a9a8fb017b8100bfca4248d65faeea8), ROM_BIOS(6))
ROM_SYSTEM_BIOS(5, "exp210", "Slogger Expansion 2.10 (dev)")
ROMX_LOAD("elkexp210.rom", 0x0000, 0x2000, CRC(12442575) SHA1(eb8609991a9a8fb017b8100bfca4248d65faeea8), ROM_BIOS(5))
ROM_END
//-------------------------------------------------
@ -85,7 +82,7 @@ void electron_romboxp_device::device_add_mconfig(machine_config &config)
{
/* printer */
CENTRONICS(config, m_centronics, centronics_devices, "printer");
m_centronics->busy_handler().set(FUNC(electron_romboxp_device::busy_w));
m_centronics->busy_handler().set([this](int state) { m_centronics_busy = state; });
output_latch_device &latch(OUTPUT_LATCH(config, "cent_data_out"));
m_centronics->set_output_latch(latch);
@ -223,7 +220,7 @@ uint8_t electron_romboxp_device::expbus_r(offs_t offset)
if (offset == 0xfc72)
{
data &= status_r();
data &= (m_centronics_busy << 7) | 0x7f;
}
break;
@ -292,6 +289,8 @@ void electron_romboxp_device::expbus_w(offs_t offset, uint8_t data)
if (offset == 0xfc71)
{
m_cent_data_out->write(data);
m_centronics->write_strobe(0);
m_centronics->write_strobe(1);
}
break;
@ -314,19 +313,6 @@ void electron_romboxp_device::expbus_w(offs_t offset, uint8_t data)
// IMPLEMENTATION
//**************************************************************************
uint8_t electron_romboxp_device::status_r()
{
// Status: b7: printer Busy
return (m_centronics_busy << 7) | 0x7f;
}
WRITE_LINE_MEMBER(electron_romboxp_device::busy_w)
{
m_centronics_busy = !state;
}
image_init_result electron_romboxp_device::load_rom(device_image_interface &image, generic_slot_device *slot)
{
uint32_t size = slot->common_get_size("rom");

3
src/devices/bus/electron/romboxp.h
View File

@ -44,9 +44,6 @@ protected:
virtual void expbus_w(offs_t offset, uint8_t data) override;
private:
uint8_t status_r();
DECLARE_WRITE_LINE_MEMBER(busy_w);
image_init_result load_rom(device_image_interface &image, generic_slot_device *slot);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom1_load) { return load_rom(image, m_rom[0]); }
DECLARE_DEVICE_IMAGE_LOAD_MEMBER(rom2_load) { return load_rom(image, m_rom[1]); }