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21 lines
930 B
21 lines
930 B
# ALU opcodes
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| mnemonic | operands | outputs | opcode |
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|----------|----------|-----------------------|--------|
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| ADD | I1, I2 | U0 = I1 + I2 + C | |
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| SUB | I1, I2 | U0 = I1 - I2 - C | |
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| MULU | I1, I2 | U1:U0 = I1 * I2 | |
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| MULS | I1, I2 | U1:U0 = (s)I1 * (s)I2 | |
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| DIVU | I1, I2 | U0 = I1 / I2 | |
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| | | U1 = I1 % I2 | |
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| DIVS | I1, I2 | U0 = (s)I1 / (s)I2 | |
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| | | U1 = U1 % Rd2 > 0 | |
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| SHL | I1, I2 | U0 = I1 << I2 | |
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| ROL | I1, I2 | U0 = I1 rot_l I2) | |
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| SHR | I1, I2 | U0 = I1 >> I2 | |
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| ROR | I1, I2 | U0 = I1 rot_r I2 | |
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| AND | I1, I2 | U0 = I1 & I2 | |
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| OR | I1, I2 | U0 = I1 or I2 | |
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| NOT | I1 | U0 = !I1 | |
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| XOR | I1, I2 | U0 = I1 xor I2 | |
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