Motorola CPU32 Reference Manual page 130

JSR
Operation:
Assembler
Syntax:
Attributes:
Description:
ing the JSR instruction onto the system stack. Program execution then continues at
the address specified by the instruction.
Condition Codes:
Not affected.
Instruction Format:
15 14 13
0 1 0
Instruction Fields:
Effective Address field — Specifies the address of the next instruction. Only control
addressing modes are allowed as shown:
Addressing Mode
Dn
An
(An)
(An) +
– (An)
(d , An)
16
(d , An, Xn)
8
(bd, An, Xn)
MOTOROLA
4-82
Jump to Subroutine
SP – 4 → Sp; PC → (SP)
Destination Address → PC
JSR 〈ea〉
Unsized
Pushes the long word address of the instruction immediately follow-
12 11 10 9
0 1 1 1
Mode Register
— —
— —
010 Reg. number: An
— —
— —
101 Reg. number: An
110 Reg. number: An
110 Reg. number: An
INSTRUCTION SET
8 7 6 5
0 1 0
Addressing Mode
(xxx).W
(xxx).L
#〈data〉
(d , PC)
16
(d , PC, Xn)
8
(bd, PC, Xn)
JSR
4 3 2 1
EFFECTIVE ADDRESS
MODE REGISTER
Mode Register
111 000
111 001
— —
111 010
111 011
111 011
REFERENCE MANUAL
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CPU32