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Michaël Banaan Ananas 2013-11-03 19:27:24 +00:00
parent 6086201c51
commit b5091762d7
1 changed files with 5 additions and 4 deletions
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5
src/mame/drivers/mazerbla.c
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@ -1361,9 +1361,10 @@ IRQ_CALLBACK_MEMBER(mazerbla_state::irq_callback)
/* D1 is set to GND when INT comes from CFB */ /* D1 is set to GND when INT comes from CFB */
/* D2 is set to GND when INT comes from ZPU board - from 6850 on schematics (RS232 controller) */ /* D2 is set to GND when INT comes from ZPU board - from 6850 on schematics (RS232 controller) */
/* resulting vectors: /* resulting vectors: - effect according to disasm:
--------------------------------------------------------
1111 11000 (0xf8) - results in same as 0xfc 1111 11000 (0xf8) - results in same as 0xfc
1111 11010 (0xfa) - does nothing 1111 11010 (0xfa) - does nothing, assume it was used for debugging
1111 11100 (0xfc) - calls several routines 1111 11100 (0xfc) - calls several routines
note: note: