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Fix Super19 version of Heath H19. #2094

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merged 3 commits into from
Mar 22, 2017
Merged

Fix Super19 version of Heath H19. #2094

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4a709f7
Fix Super19 version of Heath H19.
mgarlanger Feb 26, 2017
59e966f
Attempt 1 to get superset ROM working.
mgarlanger Mar 4, 2017
66c278d
Remove incomplete support for SuperSet H19.
mgarlanger Mar 21, 2017
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31 changes: 15 additions & 16 deletions src/mame/drivers/h19.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,8 @@
- Finish connecting up the 8250
- enable 8520 interrupts
- speed up emulation

super19 version has the videoram at D800. This is not emulated.
However, a keyclick can be heard, to assure you it does in fact work.
- update SW401 baud rate options for Watz ROM
- update SW401 & SW402 definitions for Super-19 ROM

****************************************************************************/
/***************************************************************************
Expand Down Expand Up @@ -107,7 +106,6 @@ class h19_state : public driver_device
MC6845_UPDATE_ROW(crtc_update_row);

private:
//uint8_t m_term_data;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
virtual void machine_reset() override;
required_device<palette_device> m_palette;
Expand Down Expand Up @@ -152,23 +150,23 @@ void h19_state::device_timer(emu_timer &timer, device_timer_id id, int param, vo

static ADDRESS_MAP_START(h19_mem, AS_PROGRAM, 8, h19_state)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x1fff) AM_ROM
AM_RANGE(0x4000, 0x4100) AM_RAM
AM_RANGE(0xf800, 0xffff) AM_RAM AM_SHARE("videoram")
AM_RANGE(0x0000, 0x1fff) AM_MIRROR(0x2000) AM_ROM
AM_RANGE(0x4000, 0x4100) AM_MIRROR(0x3e00) AM_RAM
AM_RANGE(0xc000, 0xc7ff) AM_MIRROR(0x3800) AM_RAM AM_SHARE("videoram")
ADDRESS_MAP_END

static ADDRESS_MAP_START( h19_io, AS_IO, 8, h19_state)
ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x1F) AM_READ_PORT("SW401")
AM_RANGE(0x20, 0x3F) AM_READ_PORT("SW402")
AM_RANGE(0x00, 0x00) AM_MIRROR(0x1f) AM_READ_PORT("SW401")
AM_RANGE(0x20, 0x20) AM_MIRROR(0x1f) AM_READ_PORT("SW402")
AM_RANGE(0x40, 0x47) AM_MIRROR(0x18) AM_DEVREADWRITE("ins8250", ins8250_device, ins8250_r, ins8250_w )
AM_RANGE(0x60, 0x60) AM_DEVWRITE("crtc", mc6845_device, address_w)
AM_RANGE(0x61, 0x61) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
AM_RANGE(0x80, 0x9F) AM_READ(kbd_key_r)
AM_RANGE(0xA0, 0xBF) AM_READ(kbd_flags_r)
AM_RANGE(0xC0, 0xDF) AM_WRITE(h19_keyclick_w)
AM_RANGE(0xE0, 0xFF) AM_WRITE(h19_bell_w)
AM_RANGE(0x60, 0x60) AM_MIRROR(0x1E) AM_DEVWRITE("crtc", mc6845_device, address_w)
AM_RANGE(0x61, 0x61) AM_MIRROR(0x1E) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w)
AM_RANGE(0x80, 0x80) AM_MIRROR(0x1f) AM_READ(kbd_key_r)
AM_RANGE(0xA0, 0xA0) AM_MIRROR(0x1f) AM_READ(kbd_flags_r)
AM_RANGE(0xC0, 0xC0) AM_MIRROR(0x1f) AM_WRITE(h19_keyclick_w)
AM_RANGE(0xE0, 0xE0) AM_MIRROR(0x1f) AM_WRITE(h19_bell_w)
ADDRESS_MAP_END

/* Input ports */
Expand Down Expand Up @@ -605,9 +603,10 @@ ROM_START( watz19 )
ROM_LOAD( "keybd.bin", 0x0000, 0x0800, CRC(58dc8217) SHA1(1b23705290bdf9fc6342065c6a528c04bff67b13))
ROM_END


/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
COMP( 1979, h19, 0, 0, h19, h19, driver_device, 0, "Heath Inc", "Heathkit H-19", 0 )
/* TODO - verify the years for these third-party replacement ROMs. */
COMP( 1982, super19, h19, 0, h19, h19, driver_device, 0, "Heath Inc", "Heathkit H-19 w/ Super-19 ROM", MACHINE_NOT_WORKING )
COMP( 1982, super19, h19, 0, h19, h19, driver_device, 0, "Heath Inc", "Heathkit H-19 w/ Super-19 ROM", 0 )
COMP( 1982, watz19, h19, 0, h19, h19, driver_device, 0, "Heath Inc", "Heathkit H-19 w/ Watzman ROM", 0 )

6 changes: 3 additions & 3 deletions src/mame/mame.lst
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Original file line number Diff line number Diff line change
Expand Up @@ -14153,9 +14153,9 @@ gyrussce // GX347 (c) 1983 + Centuri license
venus // bootleg

@source:h19.cpp
h19 //
super19 //
watz19 //
h19 // Heath H19 (Zenith Z-19)
super19 // Super19 replacement ROMS for H19
watz19 // Watzman replacement ROMS for H19

@source:h8.cpp
h8 //
Expand Down