HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 69

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Notes: * 1 The page register is ignored in minimum mode.
SP
* 2 The page register used in addressing modes 2, 3, and 4 depends on the general register :
* 3 Decrement by –1 for a byte operand, and by –2 for a word operand.
* 4 The pre-decrement or post-increment is always ±2 when R7 is specified, even if the
* 5 The drawing below shows what happens when the @-SP and @ SP+ addressing
DP for R0, R1, R2, or R3; EP for R4 or R5; TP for R6 or R7.
operand is byte size.
modes are used to save and restore the stack pointer.
MOV.W SP, @–SP
SP
Old SP–2 (upper byte)
Old SP–2 (lower byte)
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MOV.W @SP+, SP
SP