122-32000 Parallax Inc, 122-32000 Datasheet - Page 364

• 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

CMPSX
Instruction: Compare two signed values plus C.
CMPSX
Result: Optionally, equality and greater/lesser status is written to the Z and C flags.
Explanation
CMPSX
C. Use the
perform multi-long, signed comparisons; 64-bit signed comparisons, for example. The Z and
C flags, if written, indicate the relative equal, and greater or lesser relationship between the
two.
If the
SValue2 + C (use
specified, the C flag is set (1) if SValue1 is less than SValue2 (as multi-long values).
Note that in a multi-long signed operation, the first instruction is unsigned (ex:
middle instructions are unsigned, extended (ex:
extended (ex:
CMPX
Instruction: Compare two unsigned values plus C.
CMPX
Result: Optionally, equality and greater/lesser status is written to the Z and C flags.
Page 364 · Propeller Manual v1.0
–INSTR– ZCRI –CON–
110001 000i 1111 ddddddddd sssssssss
•
•
•
•
(Compare Signed, Extended) compares the signed values of SValue1 and SValue2 plus
WZ
Value1,
SValue1,
SValue1
SValue2
Value1
Value2
effect is specified, the Z flag is set (1) if Z was previously set and SValue1 equals
,
CMPSX
CMPSX
〈
(d-field) is the register containing the value to compare with that of Value2.
(s-field) is a register or a 9-bit literal whose value is compared with Value1.
#
(d-field) is the register containing the value to compare with that of SValue2.
(s-field) is a register or a 9-bit literal whose value is compared with SValue1.
〉
〈
Value2
#
〉
instruction after a
).
SValue2
WC
– Assembly Language Reference
–DEST–
and
WZ
on preceding
–SRC–
CMP
or
Z & (Result = 0)
CMPX
CMP
Z Result
(with the
or
CMPX
CMPX
), and the last instruction is signed,
instruction). If the
WC
Signed Borrow
, and optionally
C Result
Not Written
Result
WZ
WC
, effect) to
CMP
effect is
Clocks
), any
4