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177760 system size register?

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folkert van heusden 2022-03-16 23:01:55 +01:00
parent 5b3c2fb0a4
commit 38d84fc792
1 changed files with 4 additions and 1 deletions
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5
bus.cpp
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@ -239,7 +239,10 @@ uint16_t bus::read(const uint16_t a, const bool word_mode, const bool use_prev)
D(fprintf(stderr, "bus::readWord: odd address UNHANDLED %o\n", a);) D(fprintf(stderr, "bus::readWord: odd address UNHANDLED %o\n", a);)
D(fprintf(stderr, "UNHANDLED read %o(%c)\n", a, word_mode ? 'B' : ' ');) D(fprintf(stderr, "UNHANDLED read %o(%c)\n", a, word_mode ? 'B' : ' ');)
c -> busError(); if (a == 0177760)
return 0167777; // TODO; get this from memory.cpp min(memsize, 64kB - 4kB)
// c -> busError();
return -1; return -1;
} }