45181 Parallax Inc, 45181 Datasheet - Page 162

• Manufacturer Part Number: 45181
• Description: SX TECH TOOL KIT NO POWER
• Manufacturer: Parallax Inc
• Series: SXr
• Type: Microcontrollerr

Specifications of 45181

• Contents: SX Book, SX Key, SX Tech Board, Samples, Resonators, Cable and Manual
• Product: Microcontroller Basic Stamps
• Operating Supply Voltage: 5 V
• For Use With/related Products: SX MCUs
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

15 Appendix E: SX Data Sheet
15.2.13 The Jump Instruction
When a JMP instruction is executed, the lower nine bits of the program counter are loaded with the
address of the label specified. The upper two or three bits of the program counter are loaded with the
page select bits, PA2:PA0, from the STATUS register. Therefore, care must be used to ensure the page
select bits are pointing to the correct page before the jump occurs.
Page 162 SX-Key/Blitz Development System Manual 2.0 Parallax, Inc.
Zero
One
Two
Three
Four
Five
Six
Seven
bank
clr
bank
mov
7
11
6
10
EQU $00
EQU $30
EQU $50
EQU $70
EQU $90
EQU $B0
EQU $D0
EQU $F0
Three
$10
Six
$10,#1
5
9
Figure 30 - The Jump Instruction
8
8
7
7
; Make FSR point to bank 3
; Clear register $10 (in bank 3)
; Make FSR point to bank 6
; Set register $10 (in bank 6) to 1
6
6
5
5
JMP label
4
4
3
3
2
2
1
1
0
0