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68HC11 Assembly Language Programming. An entire set of these conditional branching instructions allows the programmer to test if the result of an operation was equal to zero, Typically, interrupting an interrupt routine is not a good idea. Moreover, we will promote the idea that bigger does not mean better. The complete HC11 instruction set is listed here to familiarize you with the HC11HC11 Instruction Set Accumulator and memory instructions. ?. Loads, stores, and transfers (LST). ?. Arithmetic operations activities involve transferring data. The instruction itself implies the location of the operand. Inherent addressing always deals with data or operands stored in registers not in memory. Examples:. The function of the status flags is presented in chapter 3 (Instruction Set). to experiment with the functions of the HC11 and to test designs based on the HC11. Sep 6, 2005 - B 68HC11 Instruction Set. 23. C 68HC11 Vectors of subroutines in BUFFALO, it is probably not a good idea to use any variable storage in the region $0033. M68HC11 instruction set includes 91 new opcodes. As in all crystal oscillator designs, all leads should be kept as short as possible. It is also good practice to EECE143 Lecture uP1. Introduction to Microcontrollers. Motorola 68HC11. MicroController Unit. The CPU: 68HC11E9. • 8-Bit word size. • 6800 Instruction set w/