/** * A Bit of Port B is Clicked Checks Interrupt Bits and impulse edge * * @param column Bit of Port B */ private void portBClicked(int column) { int bit = interna.getBitAtNoBank(0x6, 7 - column); // toggle bits if (bit == 0) interna.setBitAt(0x6, 7 - column); else interna.clearBitAt(0x6, 7 - column); boolean oldB = (bit != 0); boolean newB = (interna.getBitAtNoBank(0x6, 4) != 0); if (interna.getBitAt(0xB, 7) == 1) { // GIE Enabled if (interna.getBitAt(0xB, 3) == 1 && column <= 3) { // rb port changed interna.setBitAt(0xB, 0); } else if (interna.getBitAt(0xB, 4) == 1 && column == 7) { // rb0 interrupt if (interna.getBitAt(0x81, 6) == 1) { // check interrupt-edge if (newB && !oldB) { interna.setBitAt(0xB, 1); } } else { if (!newB && oldB) { interna.setBitAt(0xB, 1); } } } } updateGui(); }
/** * Bit of Port A is Clicked Checks TMR0 Source Select Bit & impulse edge * * @param column Bit of Port A */ private void portAClicked(int column) { int bit = interna.getBitAtNoBank(0x5, 7 - column); // toggle bits if (bit == 0) interna.setBitAt(0x5, 7 - column); else interna.clearBitAt(0x5, 7 - column); boolean oldV = (bit != 0); boolean newV = (interna.getBitAtNoBank(0x5, 4) != 0); if (column == 3 && interna.getBitAt(0x81, 5) == 1) { // TMR0 Clock Source Select Bit if (interna.getBitAt(0x81, 4) == 1) { // inc high-to-low if (!newV && oldV) { interna.incTMR0(); } } else { // inc low-to-high if (newV && !oldV) { interna.incTMR0(); } } } updateGui(); }