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z8682: Provide Z8 test ROM from Zilog application note

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(nw) First 18 bytes of this (the interrupt/reset bootstrap) are identical to the previous hand-crafted binary.
This commit is contained in:
AJR 2019-01-18 19:55:22 -05:00
parent 30f063cd32
commit add0ad29e7
1 changed files with 2 additions and 3 deletions
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5
src/devices/cpu/z8/z8.cpp
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@ -222,8 +222,8 @@ z8682_device::z8682_device(const machine_config &mconfig, const char *tag, devic
ROM_START(z8682)
// Zilog admits that this nominally ROMless type uses a "small internal ROM"
ROM_REGION(0x0800, "internal", 0)
ROM_LOAD("z8682.bin", 0x0000, 0x0800, CRC(37525bc8) SHA1(3ce6251d647c4af4a7cbd854f6de1b4027c9f27a) BAD_DUMP) // hand-crafted bootstrap
ROM_REGION(0x0800, "internal", ROMREGION_ERASEFF)
ROM_LOAD("testrom.bin", 0x0000, 0x0038, CRC(b2239f28) SHA1(9d27957ba0f15657eac5a7295157af6ee51cb261) BAD_DUMP) // typed in from "Z8 MCU Test Mode" application note
ROM_END
const tiny_rom_entry *z8682_device::device_rom_region() const
@ -571,7 +571,6 @@ void z8_device::sio_tick()
m_transmit_parity = !m_transmit_parity;
// serial output
logerror("Transmitting %d bit (time = %.2f usec)\n", BIT(m_transmit_sr, 0), machine().time().as_double() * 1.0E6);
p3_update_output();
}
}