mirror of https://github.com/JorjBauer/aiie.git
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#include <string.h> // memset
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#include <time.h>
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#include "noslotclock.h"
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#include "nix-clock.h"
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NixClock::NixClock(AppleMMU *mmu) : NoSlotClock(mmu)
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{
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}
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NixClock::~NixClock()
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{
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}
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void NixClock::populateClockRegister()
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{
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time_t lt;
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time(<);
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struct tm *ct = localtime(<);
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clockReg = 0x0;
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// BCD, 4 bits per digit.
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ct->tm_year %= 100; // must be 00-99
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writeNibble(ct->tm_year / 10);
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writeNibble(ct->tm_year % 10);
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ct->tm_mon++; // 1 = January
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writeNibble(ct->tm_mon / 10);
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writeNibble(ct->tm_mon % 10);
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writeNibble(ct->tm_mday / 10);
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writeNibble(ct->tm_mday % 10);// day of month, 1-31
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writeNibble(0);
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writeNibble(ct->tm_wday + 1); // day of week, 1-7
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writeNibble(ct->tm_hour / 10);
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writeNibble(ct->tm_hour % 10);
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writeNibble(ct->tm_min / 10);
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writeNibble(ct->tm_min % 10);
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writeNibble(ct->tm_sec / 10); // tens of seconds
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writeNibble(ct->tm_sec % 10); // ones of seconds, 00-99
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writeNibble(0); // ones of milliseconds, 00-99
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writeNibble(0); // tens of milliseconds
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}
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void NixClock::updateClockFromRegister()
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{
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// The clockReg should now contain a BCD4 packed date like
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// 0x1708071521140200
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// ... 2017, August 07, <day of week?>; 21:14:02.00
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// where that <day of week> is clearly suspect. Probably because 2017
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// was too far in the future when this driver was written...
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printf(">> Got a request to set clock: 0x%llX\n", clockReg);
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}
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