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Pin-Timer

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This commit is contained in:
Paul Martin
2024-05-13 23:13:28 +02:00
parent af17397a1c
commit c65d9c94de
2 changed files with 27 additions and 0 deletions
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2
src/main/java/fabrik/simulator/pic16f84/IOPorts.java
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@ -57,6 +57,8 @@ public class IOPorts {
DataRegister.setDirectRegister(PORTB, ((~((~dataLatch[B])&0xFF | trisLatch[B])) | (trisLatch[B] & DataRegister.getDirectRegister(PORTB))) & 0xFF);
DataRegister.setDirectRegister(TRISA, trisLatch[A]);
DataRegister.setDirectRegister(TRISB, trisLatch[B]);
if (((trisLatch[A] >> 4) & 1 )== 1)
Timer.incrementFromPin(DataRegister.getDirectRegister(PORTA));
ToggleButtonGroup[] buttons = Controller_Frontend.getPORTbuttons();
for (int i = 0; i < buttons.length; i++){
int port = (i < 8) ? PORTA : PORTB;

25
src/main/java/fabrik/simulator/pic16f84/Timer.java
View File

@ -1,5 +1,7 @@
package fabrik.simulator.pic16f84;
import javafx.stage.Stage;
public class Timer {
private static final int TIMERREG = 0x1;
private static final int T0IF = 0x2;
@ -8,6 +10,8 @@ public class Timer {
private static final int INTCON = 0x0B;
private static final int OPTION = 0x81;
private static int oldpin = 0;
public static void cycles(int cycles){
if (DataRegister.getDirectBit(OPTION, T0CS) == 0){
@ -27,6 +31,27 @@ public class Timer {
}
}
public static void incrementFromPin (int register){
if (DataRegister.getDirectBit(OPTION, T0CS) == 1){
int newpin = (register >> 4) & 1;
if (newpin != oldpin) {
System.out.println(newpin + " " + oldpin);
if (DataRegister.getDirectBit(OPTION, T0SE) == 0) {
// Low to high
if (newpin == 1 && oldpin == 0) {
increment();
}
} else {
// High to low
if (newpin == 0 && oldpin == 1) {
increment();
}
}
oldpin = newpin;
}
}
}
private static void increment() {
int timer = DataRegister.getDirectRegister(TIMERREG);
timer++;