blt
Branch if less than
Branches to the specified address if less than.
Sizes .b .s .w .l
Used in
- The screen, keyboard and mouse through trapsM68K assembly
- Recursion: factorial and FibonacciM68K assembly
- A bouncing ballM68K assembly
- The snake gameM68K assembly
- Flappy birdM68K assembly
- Sampled soundM68K assembly
- Data in memoryAssembly basics
XNZVC –––––
- Changes no flag
- Reads N V
Forms
blt
Operands
label- A branch target, written as a label or address. The assembler calculates the relative displacement. More
* --- Loop: count down from 10 ---
move.l #10, d0
move.l #0, d1
loop:
addq.l #1, d1
subq.l #1, d0
bne loop ; branch if d0 != 0
* --- Conditional skip ---
move.l #5, d2
move.l #5, d3
cmp.l d3, d2
beq are_equal ; branch if d2 == d3
move.l #0, d4
bra done
are_equal:
move.l #$FF, d4
done: