The status register (SR/R2), used as a source or destination register, can be used in the register mode only addressed with word instructions. The remaining combinations of addressing modes are used to support the constant generator.…
JC Jump if carry setJHS Jump if higher or same Syntax JC label JHS label Operation If C = 1: PC + 2 × offset −> PC If C = 0: execute following instruction Description The status register carry bit (C) is tested. If it is set, the 10-bit signed offse…
JMP Jump unconditionally Syntax JMP label Operation PC + 2 × offset −> PC Description The 10-bit signed offset contained in the instruction LSBs is added to the program counter. Status Bits Status bits are not affected. Hint: This one-word instru…
Byte and word issues The MSP430 is byte-addressed, and little-endian. Word operands must be located at even addresses 1 Appending “.b” to an instruction makes it a byte operation. A byte instruction with a register destination clears the high 8 bits…
AR# 45304 iMPACT Spartan-6 FPGA - "WARNING:iMPACT:2217-Error shows in the status register, CRC Error bit is Not 0" https://www.xilinx.com/support/answers/45304.html Description If I program a Spartan-6 device using iMPACT, the following message…
Assembler Code Content of ROM MOV R10,R11 MOV R10,R11 Length: One or two words Operation: Move the content of R10 to R11. R10 is not affected. Comment: Valid for source and destination Example: MOV R10, R11…
Assembler Code Content of ROMMOV @R10+,0(R11) MOV @R10+,0(R11) Length: One or two words Operation: Move the contents of the source address (contents of R10) to the destination address (contents of R11). Register R10 is incremented by 1 for a byte o…
MOV[.W] Move source to destinationMOV.B Move source to destination Syntax MOV src,dst or MOV.W src,dst MOV.B src,dst Operation src −> dst Description The source operand is moved to the destination.The source operand is not affected. The pr…
CMP[.W] Compare source and destinationCMP.B Compare source and destination Syntax CMP src,dst or CMP.W src,dst CMP.B src,dst Operation dst + .NOT.src + 1 or (dst − src) Description The source operand is subtracted from the destination operand. Th…
