Apply ISA timing delays to RTC accesses. Fixes hang when booting Ontrack Disk Manager.
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c14c22169d
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4ba95a1853
1 changed files with 3 additions and 0 deletions
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@ -154,6 +154,8 @@ void nvr_onesec(void *p)
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void writenvr(uint16_t addr, uint8_t val, void *priv)
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{
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int c, old;
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cycles -= ISA_CYCLES(8);
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// printf("Write NVR %03X %02X %02X %04X:%04X %i\n",addr,nvraddr,val,cs>>4,pc,ins);
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if (addr&1)
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{
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@ -218,6 +220,7 @@ uint8_t readnvr(uint16_t addr, void *priv)
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{
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uint8_t temp;
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// printf("Read NVR %03X %02X %02X %04X:%04X\n",addr,nvraddr,nvrram[nvraddr],cs>>4,pc);
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cycles -= ISA_CYCLES(8);
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if (addr&1)
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{
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if (nvraddr == RTC_REGA)
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