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polyplay: less talking, more documentation (nw)

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Ariane Fugmann 2017-01-12 20:32:29 +01:00
parent 9a613f569d
commit f6ae24241a
1 changed files with 10 additions and 2 deletions
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12
src/mame/drivers/polyplay.cpp
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@ -16,6 +16,14 @@
one of the last existing Poly-Play arcade automatons. He also
provided me with schematics and service manuals.
TODO:
- check PIO PortB wiring in real machines
- write some own code for the ZRE-PP to find the SIO in address space and then do something cool with it :)
- get other rom versions and games
- document the light-organ related stuff
NOTES:
The hardware is based on the K1520 PC system, with video output coming through a standard Colormat TV.
@ -156,13 +164,13 @@ READ8_MEMBER(polyplay_state::pio_porta_r)
WRITE8_MEMBER(polyplay_state::pio_porta_w)
{
osd_printf_verbose("pio_porta_w: %02x\n", data);
//osd_printf_verbose("pio_porta_w: %02x\n", data);
}
READ8_MEMBER(polyplay_state::pio_portb_r)
{
uint8_t result = 0x00;
osd_printf_verbose("pio_portb_r: %02x\n", result);
//osd_printf_verbose("pio_portb_r: %02x\n", result);
return result;
}