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Annotation of gforth/arch/mips/insts.fs, revision 1.9

1.5       anton       1: \ MIPS instruction encoding descriptions common to asm.fs and disasm.fs
                      2: 
1.8       anton       3: \ Copyright (C) 2000,2007 Free Software Foundation, Inc.
1.5       anton       4: 
                      5: \ This file is part of Gforth.
                      6: 
                      7: \ Gforth is free software; you can redistribute it and/or
                      8: \ modify it under the terms of the GNU General Public License
1.7       anton       9: \ as published by the Free Software Foundation, either version 3
1.5       anton      10: \ of the License, or (at your option) any later version.
                     11: 
                     12: \ This program is distributed in the hope that it will be useful,
                     13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: \ GNU General Public License for more details.
                     16: 
                     17: \ You should have received a copy of the GNU General Public License
1.7       anton      18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.5       anton      19: 
1.2       anton      20: $00 constant asm-copz-MF
                     21: $02 constant asm-copz-CF
                     22: $04 constant asm-copz-MT
                     23: $06 constant asm-copz-CT
                     24: $08 constant asm-copz-BC
                     25: $10 constant asm-copz-C0
                     26: 
                     27: $00 constant asm-copz-BCF
                     28: $01 constant asm-copz-BCT
                     29: 
1.1       anton      30: $04 asm-op asm-I-rs,rt,imm             beq,
                     31: $05 asm-op asm-I-rs,rt,imm             bne,
                     32: $00 $06 asm-op asm-rt asm-I-rs,imm     blez,
                     33: $00 $07 asm-op asm-rt asm-I-rs,imm     bgtz,
                     34: $08 asm-op asm-I-rt,rs,imm             addi,
                     35: $09 asm-op asm-I-rt,rs,imm             addiu,
                     36: $0a asm-op asm-I-rt,rs,imm             slti,
                     37: $0b asm-op asm-I-rt,rs,imm             sltiu,
1.3       anton      38: $0c asm-op asm-I-rt,rs,uimm            andi,
                     39: $0d asm-op asm-I-rt,rs,uimm            ori,
                     40: $0e asm-op asm-I-rt,rs,uimm            xori,
                     41: $0f asm-op asm-I-rt,uimm               lui,
1.1       anton      42: $20 asm-op asm-I-rt,offset,rs          lb,
                     43: $21 asm-op asm-I-rt,offset,rs          lh,
                     44: $22 asm-op asm-I-rt,offset,rs          lwl,
                     45: $23 asm-op asm-I-rt,offset,rs          lw,
                     46: $24 asm-op asm-I-rt,offset,rs          lbu,
                     47: $25 asm-op asm-I-rt,offset,rs          lhu,
                     48: $26 asm-op asm-I-rt,offset,rs          lwr,
                     49: $28 asm-op asm-I-rt,offset,rs          sb,
                     50: $29 asm-op asm-I-rt,offset,rs          sh,
                     51: $2a asm-op asm-I-rt,offset,rs          swl,
                     52: $2b asm-op asm-I-rt,offset,rs          sw,
                     53: $2e asm-op asm-I-rt,offset,rs          swr,
                     54: 
                     55: $02 asm-op asm-J-target                        j,
                     56: $03 asm-op asm-J-target                        jal,
                     57: 
                     58: $00 asm-special-rd,rt,sa               sll,
                     59: $02 asm-special-rd,rt,sa               srl,
                     60: $03 asm-special-rd,rt,sa               sra,
                     61: $04 asm-special-rd,rt,rs               sllv,
                     62: $06 asm-special-rd,rt,rs               srlv,
                     63: $07 asm-special-rd,rt,rs               srav,
                     64: $08 asm-special-rs                     jr,
                     65: $09 asm-special-rd,rs                  jalr, \ !! rd,rs or rs,rd?
1.9     ! dvdkhlng   66: $0a asm-special-rd,rs,rt               movz,
        !            67: $0b asm-special-rd,rs,rt               movn,
1.1       anton      68: $0c asm-special-nothing                        syscall,
                     69: $0d asm-special-nothing                        break,
                     70: $10 asm-special-rd                     mfhi,
                     71: $11 asm-special-rs                     mthi,
                     72: $12 asm-special-rd                     mflo,
                     73: $13 asm-special-rs                     mtlo,
                     74: $18 asm-special-rs,rt                  mult,
                     75: $19 asm-special-rs,rt                  multu,
                     76: $1a asm-special-rs,rt                  div,
                     77: $1b asm-special-rs,rt                  divu,
                     78: $20 asm-special-rd,rs,rt               add,
                     79: $21 asm-special-rd,rs,rt               addu,
                     80: $22 asm-special-rd,rs,rt               sub,
                     81: $23 asm-special-rd,rs,rt               subu,
                     82: $24 asm-special-rd,rs,rt               and,
                     83: $25 asm-special-rd,rs,rt               or,
                     84: $26 asm-special-rd,rs,rt               xor,
                     85: $27 asm-special-rd,rs,rt               nor,
                     86: $2a asm-special-rd,rs,rt               slt,
                     87: $2b asm-special-rd,rs,rt               sltu,
                     88: 
1.9     ! dvdkhlng   89: $00 asm-special2-rs,rt                 madd,
        !            90: $01 asm-special2-rs,rt                 maddu,
        !            91: $02 asm-special2-rd,rs,rt              mul,
        !            92: $04 asm-special2-rs,rt                 msub,
        !            93: $05 asm-special2-rs,rt                 msubu,
        !            94: $20 asm-special2-rd,rs                 clz,
        !            95: $21 asm-special2-rd,rs                 clo,
        !            96: 
1.1       anton      97: $00 asm-regimm-rs,imm                  bltz,
                     98: $01 asm-regimm-rs,imm                  bgez,
                     99: $10 asm-regimm-rs,imm                  bltzal,
                    100: $11 asm-regimm-rs,imm                  bgezal,
                    101: 
                    102: $30 asm-copz-rt,offset,rs              lwcz,
                    103: $38 asm-copz-rt,offset,rs              swcz,
1.4       anton     104: $31 asm-op asm-I-rt,offset,rs          lwc1,
                    105: $32 asm-op asm-I-rt,offset,rs          lwc2,
                    106: $39 asm-op asm-I-rt,offset,rs          swc1,
                    107: $3a asm-op asm-I-rt,offset,rs          swc2,
1.1       anton     108: asm-copz-MF $00 asm-rs asm-copz-rt,rd  mfcz,
                    109: asm-copz-CF $00 asm-rs asm-copz-rt,rd  cfcz,
                    110: asm-copz-MT $00 asm-rs asm-copz-rt,rd  mtcz,
                    111: asm-copz-CT $00 asm-rs asm-copz-rt,rd  ctcz,
                    112: asm-copz-BC $00 asm-rs asm-copz-BCF swap asm-rt asm-copz-imm bczf,
                    113: asm-copz-BC $00 asm-rs asm-copz-BCT swap asm-rt asm-copz-imm bczt,
                    114: $01 asm-copz0                          tlbr,
                    115: $02 asm-copz0                          tlbwi,
                    116: $06 asm-copz0                          tlbwr,
                    117: $08 asm-copz0                          tlbl,