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3 Commits
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d87e9e9f64
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@ -113,12 +113,12 @@ void detect_machine_type() {
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if(*ptr1 == *ptr2) {
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if(*ptr1 == *ptr2) {
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// genuine Apple1
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// genuine Apple1
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ONE_TICK = 15996; // timer constant for 1/60 second calculated as 14318180/14*61/65/60
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ONE_TICK = 15996; // timer constant for 1/60 second calculated as 14318180/14*61/65/60
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woz_puts("GENUINE APPLE1");
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woz_puts("APPLE-1");
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}
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}
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else {
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else {
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// Replica-1
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// Replica-1
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ONE_TICK = 17045; // timer constant for 1/60 second calculated as 14318180/14/60
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ONE_TICK = 16667; // timer constant for 1/60 second calculated as 5000000/5/60
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woz_puts("APPLE1 REPLICA-1");
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woz_puts("REPLICA-1");
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}
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}
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woz_puts("\r\r");
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woz_puts("\r\r");
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BIN
docs/Motorola - MC6820 - Peripheral Interface Adapter (PIA).pdf
Normal file
BIN
docs/Motorola - MC6820 - Peripheral Interface Adapter (PIA).pdf
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