Bit Manipulation Instructions - Motorola MC68340 User Manual

Integrated processor with dma

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5.3.3.6 BIT MANIPULATION INSTRUCTIONS. Bit manipulation operations are

accomplished using the following instructions: bit test (BTST), bit test and set (BSET), bit

test and clear (BCLR), and bit test and change (BCHG). All bit manipulation operations

can be performed on either registers or memory. The bit number is specified as immediate

data or in a data register. Register operands are 32 bits long, and memory operands are 8

bits long. Table 5-8 is a summary of bit manipulation instructions.

Freescale Semiconductor, Inc.

Table 5-7. Shift and Rotate Operations

Operand Size

Table 5-8. Bit Manipulation Operations

Operand Size

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~( bit number of destination)

~( bit number of destination)

~( bit number of destination)

~ bit number of destination)