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Few bugfixes

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tudnai 2020-06-09 00:54:06 -07:00
parent 94aeaaefaa
commit 55bb6b5fd5
1 changed files with 4 additions and 1 deletions
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5
src/dev/disk/woz.c
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@ -381,6 +381,7 @@ uint8_t woz_read() {
const int magicShiftOffset = 50; const int magicShiftOffset = 50;
uint16_t usedBytes = woz_trks[track].bytes_used < WOZ_TRACK_BYTE_COUNT ? woz_trks[track].bytes_used : WOZ_TRACK_BYTE_COUNT; uint16_t usedBytes = woz_trks[track].bytes_used < WOZ_TRACK_BYTE_COUNT ? woz_trks[track].bytes_used : WOZ_TRACK_BYTE_COUNT;
if ( usedBytes ) { if ( usedBytes ) {
if ( clkelpased > clkBeforeAdjusting ) { if ( clkelpased > clkBeforeAdjusting ) {
// printf("NEED SYNC : %llu (clkBefRd:%d)\n", clkelpased, clkBeforeSync); // printf("NEED SYNC : %llu (clkBefRd:%d)\n", clkelpased, clkBeforeSync);
@ -392,6 +393,7 @@ uint8_t woz_read() {
// preroll data stream // preroll data stream
WOZread.shift16 = 0; WOZread.shift16 = 0;
WOZread.data = woz_trks[track].data[trackOffset++]; WOZread.data = woz_trks[track].data[trackOffset++];
trackOffset %= usedBytes;
WOZread.shift16 <<= bitOffset; WOZread.shift16 <<= bitOffset;
@ -399,11 +401,12 @@ uint8_t woz_read() {
for ( ; bitOffset < 8; bitOffset++ ) { for ( ; bitOffset < 8; bitOffset++ ) {
WOZread.shift16 <<= 1; WOZread.shift16 <<= 1;
if (WOZread.shift & 0x80) { if ( WOZread.valid ) {
WOZread.shift = 0; WOZread.shift = 0;
} }
} }
WOZread.data = woz_trks[track].data[trackOffset++]; WOZread.data = woz_trks[track].data[trackOffset++];
trackOffset %= usedBytes;
bitOffset = 0; bitOffset = 0;
} }
} }