;;; -*- Mode:LISP; Package:HARDWARE; Base:10; Readtable:CL -*- ;;; A --> left ;;; B --> right ;;; Ybus --> out-reg ;;; group 1: byte boundary aligned operand - data movement (defconstant $$inst-alu-op-zero-ext-left 0 "zero extend left") (defconstant $$inst-alu-op-zero-ext-right 1 "zero extend right") (defconstant $$inst-alu-op-sign-ext-left 2 "sign extend left") (defconstant $$inst-alu-op-sign-ext-right 3 "sign extend right") (defconstant $$inst-alu-op-pass-stat 4 "move status to out-reg") (defconstant $$inst-alu-op-pass-q 5 "move q register to out-reg") (defconstant $$inst-alu-op-load-q-left 6 "load Q register from left") (defconstant $$inst-alu-op-load-q-right 7 "load Q register from right") (defconstant $$inst-alu-op-merge-right-left #x0e "merge byte left into right") (defconstant $$inst-alu-op-merge-left-right #x0f "merge byte right into left") (defconstant $$inst-alu-op-ld-stat-left #x1c "load status register from left") (defconstant $$inst-alu-op-ld-stat-right #x1d "load status register from right") ;;; group 2: byte boundary aligned operand - logical (defconstant $$inst-alu-op-not-left #x08 "one's compilment left") (defconstant $$inst-alu-op-not-right #x09 "one's compilment right") (defconstant $$inst-alu-op-or #x3e "or of left and right") (defconstant $$inst-alu-op-xor #x3f "exclusive or of left and right") (defconstant $$inst-alu-op-and #x40 "and of left and right") (defconstant $$inst-alu-op-xnor #x41 "not exclusive or of left and right") (defconstant $$inst-alu-op-zero #x3c "output zero to out-reg") (defconstant $$inst-alu-op-sign #x3d "output sign to out-reg") ;;; group 3: byte boundary aligned operand - single bit shifts (defconstant $$inst-alu-op-dnl-0f-left #x20 "right-shift left with zero") (defconstant $$inst-alu-op-dnl-0f-right #x21 "right-shift right with zero") (defconstant $$inst-alu-op-dnl-1f-left #x24 "right-shift left with one") (defconstant $$inst-alu-op-dnl-1f-right #x25 "right-shift right with one") (defconstant $$inst-alu-op-dnl-lf-left #x28 "right-shift left with link") (defconstant $$inst-alu-op-dnl-lf-right #x29 "right-shift right with link") (defconstant $$inst-alu-op-dnl-ar-left #x2c "right-shift left with sign") (defconstant $$inst-alu-op-dnl-ar-right #x2d "right-shift right with sign") ;;; single bit downshift (double precision) (defconstant $$inst-alu-op-dnl-0f-left-q #x22 "right-shift left and q-reg with zero") (defconstant $$inst-alu-op-dnl-0f-right-q #x23 "right-shift right and q-reg with zero") (defconstant $$inst-alu-op-dnl-1f-left-q #x26 "right-shift left and q-reg with one") (defconstant $$inst-alu-op-dnl-1f-right-q #x27 "right-shift right and q-reg with one") (defconstant $$inst-alu-op-dnl-lf-left-q #x2a "right-shift left and q-reg with link") (defconstant $$inst-alu-op-dnl-lf-right-q #x2b "right-shift right and q-reg with link") (defconstant $$inst-alu-op-dnl-ar-left-q #x2e "right-shift left and q-reg with sign") (defconstant $$inst-alu-op-dnl-ar-right-q #x2f "right-shift right and q-reg with sign") ;;; single bit upshift (single-precision) (defconstant $$inst-alu-op-upl-0f-left #x30 "left-shift left with zero") (defconstant $$inst-alu-op-upl-0f-right #x31 "left-shift right with zero") (defconstant $$inst-alu-op-upl-1f-left #x34 "left-shift left with one") (defconstant $$inst-alu-op-upl-1f-right #x35 "left-shift right with one") (defconstant $$inst-alu-op-upl-lf-left #x38 "left-shift left with link") (defconstant $$inst-alu-op-upl-lf-right #x39 "left-shift right with link") ;;; single bit upshift (double precision) (defconstant $$inst-alu-op-upl-0f-left-q #x32 "left-shift left and q-reg with zero") (defconstant $$inst-alu-op-upl-0f-right-q #x33 "left-shift right and q-reg with zero") (defconstant $$inst-alu-op-upl-1f-left-q #x36 "left-shift left and q-reg with one") (defconstant $$inst-alu-op-upl-1f-right-q #x37 "left-shift right and q-reg with one") (defconstant $$inst-alu-op-upl-lf-left-q #x3a "left-shift left and q-reg with link") (defconstant $$inst-alu-op-upl-lf-right-q #x3b "left-shift right and q-reg with link") ;;; group 4: byte boundary aligned operand - arithmetic (defconstant $$inst-alu-op-prior-left #x0c "prioritize left operand") (defconstant $$inst-alu-op-prior-right #x0d "prioritize right operand") ;;; group 5: byte boundary aligned operand - arithmetic (defconstant $$inst-alu-op-neg-left #x0a "two's complement of left operand") (defconstant $$inst-alu-op-neg-right #x0b "two's complement of right operand") (defconstant $$inst-alu-op-decr1-left #x10 "decrement left operand by one") (defconstant $$inst-alu-op-decr1-right #x11 "decrement right operand by one") ; (defconstant $$inst-alu-op-decr2-left #x14 "decrement left operand by two") (defconstant $$inst-alu-op-decr2-right #x15 "decrement right operand by two") (defconstant $$inst-alu-op-decr4-left #x18 "decrement left operand by four") (defconstant $$inst-alu-op-decr4-right #x19 "decrement right operand by four") (defconstant $$inst-alu-op-incr1-left #x12 "increment left operand by one") (defconstant $$inst-alu-op-incr1-right #x13 "increment right operand by one") ; (defconstant $$inst-alu-op-incr2-left #x16 "increment left operand by two") (defconstant $$inst-alu-op-incr2-right #x17 "increment right operand by two") (defconstant $$inst-alu-op-incr4-left #x1a "increment left operand by four") (defconstant $$inst-alu-op-incr4-right #x1b "increment right operand by four") (defconstant $$inst-alu-op-add #x42 "add") (defconstant $$inst-alu-op-addc #x43 "add with carry") (defconstant $$inst-alu-op-sub #x44 "subtract right from left") (defconstant $$inst-alu-op-subr #x46 "subtract left from right") (defconstant $$inst-alu-op-subc #x45 "subtract right from left with carry") (defconstant $$inst-alu-op-subrc #x47 "subtract left from right with carry") (defconstant $$inst-alu-op-sum-corr-left #x48 "BCD correct left for partial sum") (defconstant $$inst-alu-op-sum-corr-right #x49 "BCD correct right for partial sum") (defconstant $$inst-alu-op-diff-corr-left #x4a "BCD correct left for partial difference") (defconstant $$inst-alu-op-diff-corr-right #x4b "BCD correct right for partial difference") ;;; group 6: byte boundary aligned operands - division steps (defconstant $$inst-alu-op-sdiv-first #x4e "signed divide, first step") (defconstant $$inst-alu-op-sdiv-step #x50 "signed divide, intermediate step") (defconstant $$inst-alu-op-sdiv-last1 #x51 "signed divide, last step 1") (defconstant $$inst-alu-op-sdiv-last2 #x5a "signed divide, last step 2") (defconstant $$inst-alu-op-udiv-first #x4f "unsigned divide, first step") (defconstant $$inst-alu-op-udiv-step #x54 "unsigned divide, intermediate step") (defconstant $$inst-alu-op-udiv-last1 #x55 "unsigned divide, last step 1") (defconstant $$inst-alu-op-remcorr #x58 "signed and unsigned remainder correct") (defconstant $$inst-alu-op-quocorr #x59 "signed quotient correct") (defconstant $$inst-alu-op-mp-div-step1 #x52 "inner loop first step for multiprecision division") (defconstant $$inst-alu-op-mp-div-step2 #x56 "inner loop intermediate step for multiprecision division") (defconstant $$inst-alu-op-mp-s-div-step3 #x53 "inner loop last step for signed multiprecision division") (defconstant $$inst-alu-op-mp-u-div-step3 #x57 "inner loop last step for unsigned multiprecision division") (defconstant $$inst-alu-op-umul-first #x5b "unsigned multiply, first step") (defconstant $$inst-alu-op-umul-step #x5c "unsigned multiply, intermediate step") (defconstant $$inst-alu-op-umul-last #x5d "unsigned multiply, last step") ;;; there might be something funny here, these have switched opcode order from the unsigned case (defconstant $$inst-alu-op-smul-first #x5f "signed multiply, first step") (defconstant $$inst-alu-op-smul-step #x5e "signed multiply, intermediate step") ;;; group 8: n bit shifts and rotates (defconstant $$inst-alu-op-nb-sn-sh-left #x60 "n bit shift left operand with sign fill") (defconstant $$inst-alu-op-nb-sn-sh-right #x61 "n bit shift right operand with sign fill") (defconstant $$inst-alu-op-nb-0f-sh-left #x62 "n bit shift left operand with zero fill") (defconstant $$inst-alu-op-nb-0f-sh-right #x63 "n bit shift right operand with zero fill") (defconstant $$inst-alu-op-nb-rot-left #x64 "n bit rotate left operand") (defconstant $$inst-alu-op-nb-rot-right #x65 "n bit rotate right operand") ;;; group 9: variable length bit field, single bit (defconstant $$inst-alu-op-ext-bit-from-left #x66 "extract bit from left operand") (defconstant $$inst-alu-op-ext-bit-from-right #x67 "extract bit from right operand") (defconstant $$inst-alu-op-set-bit-left #x68 "set bit in left operand") (defconstant $$inst-alu-op-set-bit-right #x69 "set bit in right operand") (defconstant $$inst-alu-op-rst-bit-left #x6a "reset bit in left operand") (defconstant $$inst-alu-op-rst-bit-right #x6b "reset bit in left operand") (defconstant $$inst-alu-op-set-bit-stat #x6c "set bit in status register") (defconstant $$inst-alu-op-rst-bit-stat #x6d "reset bit in status register") (defconstant $$inst-alu-op-ext-bit-stat #x7e "extract bit from status-register") ;;; group 10: variable length bit field - aligned (defconstant $$inst-alu-op-not-f-al-left #x71 "insert aligned not left into right") (defconstant $$inst-alu-op-pass-f-al-left #x73 "insert aligned left into right") (defconstant $$inst-alu-op-or-f-al-left #x75 "logical or of aligned field of left into right") (defconstant $$inst-alu-op-xor-f-al-left #x77 "logical xor of aligned field of left into right") (defconstant $$inst-alu-op-and-f-al-left #x79 "logical and of aligned field of left into right") (defconstant $$inst-alu-op-not-f-al-right #x6e "invert field of right operand") (defconstant $$inst-alu-op-pass-f-al-right #x6f "test a field in the right operand") ;;; field logical - non-aligned (defconstant $$inst-alu-op-not-f-left #x70 "insert non-aligned not left into right") (defconstant $$inst-alu-op-pass-f-left #x72 "insert non-aligned left into right") ;this is DPB (defconstant $$inst-alu-op-or-f-left #x74 "logical or of non-aligned field of left into right") (defconstant $$inst-alu-op-xor-f-left #x76 "logical xor of non-aligned field of left into right") (defconstant $$inst-alu-op-and-f-left #x78 "logical and of non-aligned field of left into right") ;;; field logical - extract (defconstant $$inst-alu-op-ext-f-left #x7a "extract field from left") (defconstant $$inst-alu-op-ext-f-right #x7b "extract field from right") (defconstant $$inst-alu-op-ext-f-left-right #x7c "extract field from 64 bit number, left is most significant") (defconstant $$inst-alu-op-ext-f-right-left #x7d "extract field from 64 bit number, right is most significant") ;;; group 11: variable length bit field - mask generation (defconstant $$inst-alu-op-pass-mask #x7f "move mask to out-reg") ;;; unused opcodes (defconstant $$inst-alu-reserved-1e #x1e "reserved") (defconstant $$inst-alu-reserved-1f #x1f "reserved") (defconstant $$inst-alu-reserved-4c #x4c "reserved") (defconstant $$inst-alu-reserved-4d #x4d "reserved")