122-32000 Parallax Inc, 122-32000 Datasheet - Page 403

• 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

Explanation
SHR
If the
effect is specified, the C flag is set equal to Value’s original bit 0. The result is written to
Value unless the
SUB
Instruction: Subtract two unsigned values.
SUB
Result: Difference of unsigned Value1 and unsigned Value2 is stored in Value1.
Explanation
SUB
Value1 register.
If the
effect is specified, the C flag is set (1) if the subtraction resulted in an unsigned borrow (32-
bit underflow). The result is written to Value1 unless the
–INSTR– ZCRI –CON–
100001 001i 1111 ddddddddd sssssssss
(Shift Right) shifts Value right by Bits places.
•
•
subtracts the unsigned Value2 from the unsigned Value1 and stores the result into the
Value1,
WZ
WZ
Value1
destination in which to write the result.
Value2
effect is specified, the Z flag is set (1) if the resulting Value equals zero. If the
effect is specified, the Z flag is set (1) if Value1 − Value2 equals zero. If the
〈
#
〉
(d-field) is the register containing the value to subtract Value2 from, and is the
(s-field) is a register or a 9-bit literal whose value is subtracted from Value1.
Value2
NR
effect is specified.
–DEST–
–SRC–
5: Assembly Language Reference –
Result = 0
Z Result
NR
effect is specified.
Unsigned Borrow
Propeller Manual v1.0 · Page 403
C Result
Result
Written
Clocks
4
WC
WC