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Portable Network Graphic  |  1997-07-26  |  83KB  |  816x1056  |  8-bit (256 colors)
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OCR: ROF Fsna7RO Rotate lett antb epightrs Guide To Macintosh Assembly Language Programming 3Bage ROXI and ROXR Rotate with the carry bit left and right Bit manipulation. BTST- tests a single bit BSET set a single bit. BCLR clear a single bit. BCHG change a single bit. Program control Bcc Branch if a condition (cc) is met DBcc Decrement and branch if a condition IS met Scc Set if the condition is met. BSR Branch to subroutine JSR Jump to subroutine RTS return from subroutine. JMP Jump to an absolute memory location. RTR Restores the program counter and condition codes from the stack System control instructions. Most of these are privileged instructions meaning the processor must be in supervisor mode to use them MOVE USP Move an operand to the user stack pointer. RESET- Reset external periphera ...