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minor updates
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parent
3e90841500
commit
b3e9fb9c2f
@ -25,4 +25,10 @@ extern class spiram sram;
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extern class Memory memory;
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#endif
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#if defined(DEBUGGING)
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#define DBG(x) Serial.x
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#else
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#define DBG(x)
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#endif
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#endif
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14
pia.cpp
14
pia.cpp
@ -177,3 +177,17 @@ uint8_t PIA::read_portb() {
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irq_b1 = irq_b2 = false;
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return (inb & ~ddrb) | (outb & ddrb);
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}
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void PIA::write_porta_in_bit(uint8_t mask, bool state) {
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if (state)
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ina |= mask;
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else
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ina &= ~mask;
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}
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void PIA::write_portb_in_bit(uint8_t mask, bool state) {
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if (state)
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inb |= mask;
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else
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inb &= ~mask;
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}
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2
pia.h
2
pia.h
@ -23,9 +23,11 @@ public:
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// device input (external) interface
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void write_porta_in(uint8_t b) { ina = b; }
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void write_porta_in_bit(uint8_t, bool);
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void write_ca1(bool);
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void write_ca2(bool);
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void write_portb_in(uint8_t b) { inb = b; }
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void write_portb_in_bit(uint8_t, bool);
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void write_cb1(bool);
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void write_cb2(bool);
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