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$300: 01 50 BR $352
BRANCH IF NO CARRY:
BNC ea [ 02 d ]
A branch to the effective address is taken only is the carry is
clear, otherwise execution resumes as normal with the next
instruction. Branch conditions are not changed.
BRANCH IF CARRY SET:
BC ea [ 03 d ]
A branch is effected only if the carry is set. Branch conditions
are not changed.
BRANCH IF PLUS:
BP ea [ 04 d ]
A branch is effected only if the prior 'result' (or most
recently transferred dat) was positive. Branch conditions are
not changed.
EXAMPLE: (Clear mem from A034 to A03F)
15 34 A0 SET R5 $A034 ;Init pointer
14 3F A0 SET R4 $A03F ;Init limit
B0 LOOP3 SUB R0
55 ST @R5 ;Clear mem byte
;Increment R5
24 LD R4 ;Compare limit
D5 CPR R5 ;to pointer
04 FA BP LOOP3 ;Loop until done
BRANCH IF MINUS:
BM ea [ 05 d ]
A branch is effected only if prior 'result' was minus (negative,
MSB = 1). Branch conditions are not changed.
BRANCH IF ZERO:
BZ ea [ 06 d ]
A Branch is effected only if the prior 'result' was zero. Branch
conditions are not changed.
BRANCH IF NONZERO
BNZ ea [ 07 d ]
A branch is effected only if the priot 'result' was non-zero
Branch conditions are not changed.