122-32000 Parallax Inc, 122-32000 Datasheet - Page 410

• Manufacturer Part Number: 122-32000
• Description: MANUAL PROPELLER
• Manufacturer: Parallax Inc

Specifications of 122-32000

• Accessory Type: Manual
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: Propeller Education (PE) Kit
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TJNZ
Instruction: Test value and jump to address if not zero.
TJNZ
Explanation
TJNZ
When the
TJNZ
If it must jump it takes 4 clock cycles, if no jump occurs it takes 8 clock cycles. Since loops
utilizing
TJZ
Instruction: Test value and jump to address if zero.
TJZ
Explanation
TJZ
Page 410 · Propeller Manual v1.0
–INSTR– ZCRI –CON–
–INSTR– ZCRI –CON–
111010 000i 1111 ddddddddd sssssssss
111011 000i 1111 ddddddddd sssssssss
•
•
•
•
tests the Value register and jumps to Address if it contains zero.
tests the Value register and jumps to Address if it contains a non-zero number.
Value,
requires a different amount of clock cycles depending on whether or not it has to jump.
Value,
,
Value
Address
when Value contains a non-zero number.
Value
Address
when Value contains zero.
TJNZ
WZ
〈
effect is specified, the Z flag is set (1) if the Value register contains zero.
#
〈
(d-field) is the register to test.
(d-field) is the register to test.
need to be fast, it is optimized in this way for speed.
〉
#
〉
Address
(s-field) is the register or a 9-bit literal whose value is the address to jump to
(s-field) is the register or a 9-bit literal whose value is the address to jump to
– Assembly Language Reference
Address
–DEST–
–DEST–
–SRC–
–SRC–
Result = 0
Result = 0
Z Result
Z Result
C Result
C Result
0
0
Not Written
Not Written
Result
Result
Clocks
Clocks
4 or 8
4 or 8