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reinette-II
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Update reinette-II.c

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ArthurFerreira2 2019-04-02 09:05:08 +02:00 committed by GitHub
parent 7f13d2e7a7
commit 1c7c386391
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1 changed files with 3 additions and 9 deletions
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reinette-II.c
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@ -59,20 +59,14 @@ bool videoNeedsRefresh = true;
// MEMORY AND I/O
static uint8_t readMem(uint16_t address){
static uint8_t queries=0; // slow down emulation when looping for a keypress
if (address < RAMSIZE) return(ram[address]);
if (address < RAMSIZE) return(ram[address]);
else if (address >= ROMSTART) return(rom[address - ROMSTART]);
else if (address == 0xC000) { // KBD
if (!queries++) usleep(100); // sleep 100ms every 256 requests
return(key);
}
else if (address == 0xC000) return(key); // KBD
else if (address == 0xC010){ // KBDSTRB
key &= 0x7F; // unset bit 7
return(key);
}
else return(0); // catch all
return(0); // catch all
}
static void writeMem(uint16_t address, uint8_t value){