Motorola CPU32 User Manual Page 271

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Integer Instructions
MOTOROLA M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL 4-167
RTM Return from Module RTM
(MC68020)
Operation: Reload Saved Module State from Stack
Assembler
Syntax: RTM Rn
Attributes: Unsized
Description: A previously saved module state is reloaded from the top of stack. After the
module state is retrieved from the top of the stack, the caller’s stack pointer is
incremented by the argument count value in the module state.
Condition Codes:
Set according to the content of the word on the stack.
Instruction Format:
Instruction Fields:
D/A field—Specifies whether the module data pointer is in a data or an address register.
0 the register is a data register
1 the register is an address register
Register field—Specifies the register number for the module data area pointer to be
restored from the saved module state. If the register specified is A7 (SP), the
updated value of the register reflects the stack pointer operations, and the saved
module data area pointer is lost.
1514131211109876543210
000001101100D/A REGISTER
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