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10 www.xilinx.com PicoBlaze 8-bit Embedded Microcontroller
UG129 (v1.1.2) June 24, 2008
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Appendix A: Related Materials and References
Appendix B: Example Program Templates
KCPSM3 Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
pBlazIDE Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Appendix C: PicoBlaze Instruction Set and Event Reference
ADD sX, Operand —Add Operand to Register sX. . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
ADDCY sX, Operand —Add Operand to Register sX with Carry . . . . . . . . . . . . . 94
AND sX, Operand — Logical Bitwise AND Register sX with Operand. . . . . . . . 95
CALL [Condition,] Address — Call Subroutine at Specified Address. . . . . . . . . 96
COMPARE sX, Operand — Compare Operand with Register sX. . . . . . . . . . . . . . 98
DISABLE INTERRUPT — Disable External Interrupt Input. . . . . . . . . . . . . . . . . . 99
ENABLE INTERRUPT — Enable External Interrupt Input . . . . . . . . . . . . . . . . . . . 99
FETCH sX, Operand — Read Scratchpad RAM Location to Register sX . . . . . . 100
INPUT sX, Operand — Set PORT_ID to Operand, Read value on IN_PORT . 101
INTERRUPT Event, When Enabled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
JUMP [Condition,] Address — Jump to Specified Address . . . . . . . . . . . . . . . . . . 103
LOAD sX, Operand — Load Register sX with Operand. . . . . . . . . . . . . . . . . . . . . . 104
OR sX, Operand — Logical Bitwise OR Register sX with Operand . . . . . . . . . . 105
OUTPUT sX, Operand — Write Register sX Value to OUT_PORT . . . . . . . . . . . 106
RESET Event. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
RETURN [Condition] — Return from Subroutine Call . . . . . . . . . . . . . . . . . . . . . . 108
RETURNI [ENABLE/DISABLE] — Return from Interrupt Service Routine . . 109
RL sX — Rotate Left Register sX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
RR sX — Rotate Right Register sX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
SL[ 0 | 1 | X | A ] sX — Shift Left Register sX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
SR[ 0 | 1 | X | A ] sX — Shift Right Register sX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
STORE sX, Operand — Write Register sX Value to Scratchpad RAM . . . . . . . . 114
SUB sX, Operand —Subtract Operand from Register sX. . . . . . . . . . . . . . . . . . . . . 115
SUBCY sX, Operand —Subtract Operand from Register sX with Borrow . . . . 116
TEST sX, Operand — Test Bit Location in Register sX, Generate Odd Parity. 118
XOR sX, Operand — Logical Bitwise XOR Register sX with Operand. . . . . . . . 120
Appendix D: Instruction Codes
Appendix E: Register and Scratchpad RAM Planning Worksheets
Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Scratchpad RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126