mirror of
https://github.com/JorjBauer/aiie.git
synced 2024-11-04 04:05:31 +00:00
80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
#include "woz-serializer.h"
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#include "globals.h"
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#define WOZMAGIC 0xD5
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WozSerializer::WozSerializer() : Woz(0,0)
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{
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}
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const char *WozSerializer::diskName()
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{
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if (fd != -1) {
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return g_filemanager->fileName(fd);
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}
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return "";
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}
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bool WozSerializer::Serialize(int8_t fd)
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{
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// If we're being asked to serialize, make sure we've flushed any data first
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flush();
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uint8_t buf[17] = { WOZMAGIC,
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(trackPointer >> 24) & 0xFF,
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(trackPointer >> 16) & 0xFF,
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(trackPointer >> 8) & 0xFF,
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(trackPointer ) & 0xFF,
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(trackBitCounter >> 24) & 0xFF,
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(trackBitCounter >> 16) & 0xFF,
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(trackBitCounter >> 8) & 0xFF,
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(trackBitCounter ) & 0xFF,
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(lastReadPointer >> 24) & 0xFF,
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(lastReadPointer >> 16) & 0xFF,
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(lastReadPointer >> 8) & 0xFF,
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(lastReadPointer ) & 0xFF,
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trackByte,
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trackBitIdx,
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trackLoopCounter,
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WOZMAGIC };
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if (g_filemanager->write(fd, buf, 17) != 17)
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return false;
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return true;
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}
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bool WozSerializer::Deserialize(int8_t fd)
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{
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// Before deserializing, the caller has to re-load the right disk image!
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uint8_t buf[17];
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if (g_filemanager->read(fd, buf, 17) != 17)
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return false;
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if (buf[0] != WOZMAGIC)
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return false;
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trackPointer = buf[1];
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trackPointer <<= 8; trackPointer |= buf[2];
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trackPointer <<= 8; trackPointer |= buf[3];
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trackPointer <<= 8; trackPointer |= buf[4];
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trackBitCounter = buf[5];
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trackBitCounter <<= 8; trackBitCounter |= buf[6];
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trackBitCounter <<= 8; trackBitCounter |= buf[7];
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trackBitCounter <<= 8; trackBitCounter |= buf[8];
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lastReadPointer = buf[9];
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lastReadPointer <<= 8; lastReadPointer |= buf[10];
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lastReadPointer <<= 8; lastReadPointer |= buf[11];
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lastReadPointer <<= 8; lastReadPointer |= buf[12];
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trackByte = buf[13];
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trackBitIdx = buf[14];
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trackLoopCounter = buf[15];
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if (buf[16] != WOZMAGIC)
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return false;
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return true;
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}
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