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HD6432126R Datasheet(PDF) 73 Page - Renesas Technology Corp |
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HD6432126R Datasheet(HTML) 73 Page - Renesas Technology Corp |
73 / 843 page 49 Type Instruction Size* 1 Function Arithmetic operations DIVXS B/W Rd ÷ Rs → Rd Performs signed division on data in two general registers: either 16 bits ÷ 8 bits → 8-bit quotient and 8-bit remainder or 32 bits ÷ 16 bits → 16-bit quotient and 16- bit remainder. CMP B/W/L Rd – Rs, Rd – #IMM Compares data in a general register with data in another general register or with immediate data, and sets CCR bits according to the result. NEG B/W/L 0 – Rd → Rd Takes the two's complement (arithmetic complement) of data in a general register. EXTU W/L Rd (zero extension) → Rd Extends the lower 8 bits of a 16-bit register to word size, or the lower 16 bits of a 32-bit register to longword size, by padding with zeros on the left. EXTS W/L Rd (sign extension) → Rd Extends the lower 8 bits of a 16-bit register to word size, or the lower 16 bits of a 32-bit register to longword size, by extending the sign bit. TAS B @ERd – 0, 1 → (<bit 7> of @ERd)*2 Tests memory contents, and sets the most significant bit (bit 7) to 1. |
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