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50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
#include "teensy-paddles.h"
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/* C061: Open Apple (Paddle 0 button pressed if &= 0x80)
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* C062: Closed Apple (Paddle 1 button pressed if &= 0x80)
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* C064: PADDLE0 (sets bit 0x80 when value reached, increments of 11 us)
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* C065: PADDLE1 (sets bit 0x80 when value reached, increments of 11 us)
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* C070: "start reading paddle data" - "may take up to 3 milliseconds"
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*/
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#include "globals.h"
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TeensyPaddles::TeensyPaddles(uint8_t p0pin, uint8_t p1pin, bool p0rev, bool p1rev)
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{
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this->p0pin = p0pin;
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this->p1pin = p1pin;
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this->p0rev = p0rev;
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this->p1rev = p1rev;
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pinMode(p0pin, INPUT);
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pinMode(p1pin, INPUT);
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}
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TeensyPaddles::~TeensyPaddles()
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{
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}
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uint8_t TeensyPaddles::paddle0()
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{
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uint8_t raw = analogRead(p0pin);
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if (p0rev) {
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raw = 255 - raw;
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}
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return raw;
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}
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uint8_t TeensyPaddles::paddle1()
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{
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uint8_t raw = analogRead(p1pin);
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if (p1rev) {
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raw = 255 - raw;
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}
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return raw;
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}
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void TeensyPaddles::startReading()
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{
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g_vm->triggerPaddleInCycles(0, 12 * paddle0());
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g_vm->triggerPaddleInCycles(1, 12 * paddle1());
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}
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