Size CCR Bit
Mnemonic Operation B/W N Z V C
Branch- Bcc If condition is true then — — — — —
ing PC + disp → PC
instruc- else next;
tions
JMP Effective address → PC — — — — —
PJMP Effective address → CP, PC — — — — —
BSR PC → @ – SP — — — — —
PC + disp → PC
JSR PC → @ – SP — — — — —
Effective address → PC
PJSR PC → @ – SP — — — — —
CP → @ – SP
Effective address → CP, PC
RTS @ SP + → PC — — — — —
PRTS @ SP + → CP — — — — —
@ SP + → PC
RTD @ SP + → PC — — — — —
SP + #IMM → SP
PRTD @ SP + → CP — — — — —
@ SP + → PC
SP + #IMM → SP
SCB If condition is true then next; — — — — —
SCB/F else Rn – 1 → Rn;
SCB/NE If Rn = –1 then next;
SCB/EQ else PC + disp → PC;
Mnemonic Description Condition
BRA (BT) Always (True) True
BRN (BF) Never (False) False
BHI HIgh C ∨ Z = 0
BLS Low or Same C ∨ Z = 0
Bcc (BHS) Carry Clear (High or Same) C = 0
BCS (BLO) Carry Set (LOw) C = 1
BNE Not Equal Z = 0
BEQ EQual Z = 1
BVC oVerflow Clear V = 0
BVS oVerflow Set V = 1
BPL PLus N = 0
BMI MInus N = 1
BGE Greater or Equal N ⊕ V = 0
BLT Less Than N ⊕ V = 1
BGT Greater Than Z ∨ (N ⊕ V) = 0
BLE Less or Equal Z ∨ (N ⊕ V) = 1
Mnemonic Description Condition
SCB/F False
SCB/NE Not Equal Z = 0
SCB/EQ Equal Z = 1
340
Downloaded from Elcodis.com electronic components distributor