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MC68HC708AS48 データシート(PDF) 90 Page - Freescale Semiconductor, Inc |
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MC68HC708AS48 データシート(HTML) 90 Page - Freescale Semiconductor, Inc |
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90 / 396 page ![]() Central Processor Unit (CPU) Advance Information MC68HC708AS48 — Rev. 4.0 90 Central Processor Unit (CPU) MOTOROLA BNE rel Branch if Not Equal PC ← (PC) + 2 + rel ? (Z) = 0 – – – – – – REL 26 rr 3 BPL rel Branch if Plus PC ← (PC) + 2 + rel ? (N) = 0 – – – – – – REL 2A rr 3 BRA rel Branch Always PC ← (PC) + 2 + rel – – – – – – REL 20 rr 3 BRCLR n,opr,rel Branch if Bit n in M Clear PC ← (PC) + 3 + rel ? (Mn) = 0 – – – – – ¤ DIR (b0) DIR (b1) DIR (b2) DIR (b3) DIR (b4) DIR (b5) DIR (b6) DIR (b7) 01 03 05 07 09 0B 0D 0F dd rr dd rr dd rr dd rr dd rr dd rr dd rr dd rr 5 5 5 5 5 5 5 5 BRN rel Branch Never PC ← (PC) + 2 – – – – – – REL 21 rr 3 BRSET n,opr,rel Branch if Bit n in M Set PC ← (PC) + 3 + rel ? (Mn) = 1 – – – – – ¤ DIR (b0) DIR (b1) DIR (b2) DIR (b3) DIR (b4) DIR (b5) DIR (b6) DIR (b7) 00 02 04 06 08 0A 0C 0E dd rr dd rr dd rr dd rr dd rr dd rr dd rr dd rr 5 5 5 5 5 5 5 5 BSET n,opr Set Bit n in M Mn ← 1 –––––– DIR (b0) DIR (b1) DIR (b2) DIR (b3) DIR (b4) DIR (b5) DIR (b6) DIR (b7) 10 12 14 16 18 1A 1C 1E dd dd dd dd dd dd dd dd 4 4 4 4 4 4 4 4 BSR rel Branch to Subroutine PC ← (PC) + 2; push (PCL) SP ← (SP) – 1; push (PCH) SP ← (SP) – 1 PC ← (PC) + rel – – – – – – REL AD rr 4 CBEQ opr,rel CBEQA # opr,rel CBEQX # opr,rel CBEQ opr,X+,rel CBEQ X+ ,rel CBEQ opr,SP,rel Compare and Branch if Equal PC ← (PC) + 3 + rel ? (A) – (M) = $00 PC ← (PC) + 3 + rel ? (A) – (M) = $00 PC ← (PC) + 3 + rel ? (X) – (M) = $00 PC ← (PC) + 3 + rel ? (A) – (M) = $00 PC ← (PC) + 2 + rel ? (A) – (M) = $00 PC ← (PC) + 4 + rel ? (A) – (M) = $00 –––––– DIR IMM IMM IX1+ IX+ SP1 31 41 51 61 71 9E61 dd rr ii rr ii rr ff rr rr ff rr 5 4 4 5 4 6 CLC Clear Carry Bit C ← 0 – – – – – 0 INH 98 1 CLI Clear Interrupt Mask I ← 0 – – 0 – – – INH 9A 2 CLR opr CLRA CLRX CLRH CLR opr,X CLR ,X CLR opr,SP Clear M ← $00 A ← $00 X ← $00 H ← $00 M ← $00 M ← $00 M ← $00 0––01– DIR INH INH INH IX1 IX SP1 3F 4F 5F 8C 6F 7F 9E6F dd ff ff 3 1 1 1 3 2 4 Table 7-1. Instruction Set Summary (Sheet 3 of 8) Source Form Operation Description Effect on CCR VH I N Z C |
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