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Extension Instruction Specifications
3-30
Bit 31
Bit 0
MSB
LSB
Dm before execution
Dn after execution
Dm[31:24]
Dm[23:16]
Dm[15:8]
Dm[7:0]
Bit 31
Bit 0
MSB
LSB
Dm[7:0]
Dm[15:8]
Dm[23:16]
Dm[31:24]
SWAPH (Data swapping instruction [high-order to low-order and vice versa] in two-byte data)
[Instruction Format (Macro Name)]
SWAPH
Dm, Dn
[Assembler Mnemonic]
udf09
Dm, Dn
[Operation]
This instruction swaps bits 15 through 8 of Dm with bits 7 through 0, and bits 31 through 24 with bits 23 through
16, and then stores the result in Dn.
The sample of execution
Before execution:
0x12345678
After execution:
0x34127856
[Flag Changes]
Flag
Change
Condition
V
*
Undefined
C
*
Undefined
N
*
Undefined
Z
*
Undefined
[Programming Cautions]
PSW updating by flag changes is delayed by one instruction.
However, Bcc and Lcc instructions can evaluate flags without waiting for flag reflection to PSW.
The operations of "udf09 imm8, Dn", "udf09 imm16, Dn" and "udf09 imm32, Dn" are not assured. In addition, a
system error interrupt does not occur in these cases.
Содержание MN103001G/F01K
Страница 1: ...MICROCOMPUTER MN1030 MN103001G F01K LSI User s Manual Pub No 23101 050E ...
Страница 2: ......
Страница 4: ......
Страница 6: ......
Страница 7: ...14 A D Converter 15 I O Ports 16 Internal Flash Memory 17 Ordering Mask ROM Appendix 14 15 16 17 ...
Страница 8: ......
Страница 9: ...Table of Contents List of Figures and Tables 0 ...
Страница 26: ...xviii ...
Страница 27: ...1 0 1 General Specifications ...
Страница 35: ...2 CPU 2 ...
Страница 57: ...3 Extension Instruction Specifications 3 ...
Страница 96: ...Extension Instruction Specifications 3 40 ...
Страница 97: ...4 Memory Modes 3 4 ...
Страница 102: ...Memory Modes 4 6 ...
Страница 103: ...5 Operating Mode 5 ...
Страница 107: ...6 Clock Generator 6 13 ...
Страница 111: ...7 Internal Memory 7 ...
Страница 114: ...Internal Memory 7 4 ...
Страница 115: ...8 Bus Controller BC 8 ...
Страница 189: ...9 Interrupt Controller 9 ...
Страница 220: ...Interrupt Controller 9 32 ...
Страница 221: ...10 8 bit Timers 9 10 ...
Страница 254: ...8 bit Timers 10 34 ...
Страница 255: ...11 16 bit Timers 11 ...
Страница 292: ...16 bit Timers 11 38 ...
Страница 293: ...12 Watchdog Timer 11 12 ...
Страница 302: ...Watchdog Timer 12 10 ...
Страница 303: ...13 Serial Interface 13 ...
Страница 354: ...Serial Interface 13 52 ...
Страница 355: ...14 A D Converter 14 ...
Страница 367: ...15 I O Ports 15 ...
Страница 431: ...16 Internal Flash Memory 16 ...
Страница 439: ...17 17 Ordering Mask ROM ...
Страница 442: ...Ordering Mask ROM 17 4 ...
Страница 443: ...Appendix ...