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S3C72G9 Datasheet(PDF) 6 Page - Samsung semiconductor |
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S3C72G9 Datasheet(HTML) 6 Page - Samsung semiconductor |
6 / 96 page ![]() Table 5-4. Data Type Symbols Symbol Data Type d Immediate data a Address data b Bit data r Register data f Flag data i Indirect addressing data t memc × 0.5 immediate data Table 5-5. Register Identifiers Full Register Name ID 4-bit accumulator A 4-bit working registers E, L, H, X, W, Z, Y 8-bit extended accumulator EA 8-bit memory pointer HL 8-bit working registers WX, YZ, WL Select register bank 'n' SRB n Select memory bank 'n' SMB n Carry flag C Program status word PSW Port 'n' Pn 'm'-th bit of port 'n' Pn.m Interrupt priority register IPR Enable memory bank flag EMB Enable register bank flag ERB Table 5-6. Instruction Operand Notation Symbol Definition DA Direct address @ Indirect address prefix src Source operand dst Destination operand (R) Contents of register R .b Bit location im 4-bit immediate data (number) imm 8-bit immediate data (number) # Immediate data prefix ADR 000H-3FFFH immediate address ADRn 'n' bit address R A, E, L, H, X, W, Z, Y Ra E, L, H, X, W, Z, Y RR EA, HL, WX, YZ RRa HL, WX, WL RRb HL, WX, YZ RRc WX, WL mema FB0H-FBFH, FF0H-FFFH memb FC0H-FFFH memc Code direct addressing: 0020H-007FH SB Select bank register (8 bits) XOR Logical exclusive-OR OR Logical OR AND Logical AND [(RR)] Contents addressed by RR |
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