Table of contents 6.8.2 Impulse at start-up .......................................................... 113 6.8.3 Impulse of constant duration............................................ 114 6.8.4 Raising delay................................................................. 115 6.8.5 Falling delay.................................................................. 116 6.8.6 Pulse generator with wiping pulse output.......................... 117 6.8.7 Flash generator with one timer ........................................ 118 6.8.8 Flash generator with two timers ....................................... 119 6.9 Programmable clock .............................................................
120 6.10 Software counters ................................................................. 121 6.10.2 Up-counter to 12............................................................ 122 6.10.1 Mnemonics.................................................................... 121 6.11 Programming a sequential process......................................... 123 6.12 Register circuits..................................................................... 125 6.12.1 1-bit shift register............................................................ 125 6.12.2 8-bit shift register............................................................
126 6.13 Copy commands (bit-to-byte transfer)...................................... 127 6.13.1 Copy eight 1-bit operands to one byte............................. 127 6.13.2 Copy one byte to eight 1-bit operands............................. 127 6.13.3 Copy sixteen 1-bit operands to two bytes......................... 127 6.13.4 Copy two byte to sixteen 1-bit operands .......................... 128 6.14 Comparator circuits .............................................................. 128 6.14.1 8-bit comparator ............................................................ 128 6.14.2 16-bit comparator..........................................................
129 6.15 Arithmetic functions............................................................... 130 6.15.1 Binary 8-bit adder.......................................................... 130 6.15.2 Binary 16-bit adder........................................................ 131 6.15.4 Binary 8-bit subtractor .................................................... 133 6.15.3 8-bit BCD adder............................................................. 132 6.15.5 Binary 16-bit subtractor .................................................. 134 7