Char Dec Oct Hex Char Dec Oct Hex Char Dec Oct Hex Char Dec Oct Hex
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1 Table of ASCII Characters This table lists the ASCII characters and their decimal, octal and hexadecimal numbers. Characters which appear as names in parentheses (e.g., (nl)) are non-printing characters. A table of the common non-printing characters appears after this table. Char Dec Oct Hex Char Dec Oct Hex Char Dec Oct Hex Char Dec Oct Hex (nul) x00 (sp) x x60 (soh) x01! x21 A x41 a x61 (stx) x02 " x22 B x42 b x62 (etx) x03 # x23 C x43 c x63 (eot) x04 $ x24 D x44 d x64 (enq) x05 % x25 E x45 e x65 (ack) x06 & x26 F x46 f x66 (bel) x x27 G x47 g x67 (bs) x08 ( x28 H x48 h x68 (ht) x09 ) x29 I x49 i x69 (nl) x0a * x2a J x4a j x6a (vt) x0b x2b K x4b k x6b (np) x0c, x2c L x4c l x6c (cr) x0d x2d M x4d m x6d (so) x0e x2e N x4e n x6e (si) x0f / x2f O x4f o x6f (dle) x x30 P x50 p x70 (dc1) x x31 Q x51 q x71 (dc2) x x32 R x52 r x72 (dc3) x x33 S x53 s x73 (dc4) x x34 T x54 t x74 (nak) x x35 U x55 u x75 (syn) x x36 V x56 v x76 (etb) x x37 W x57 w x77 (can) x x38 X x58 x x78 (em) x x39 Y x59 y x79 (sub) x1a : x3a Z x5a z x7a (esc) x1b ; x3b [ x5b { x7b (fs) x1c < x3c \ x5c x7c (gs) x1d = x3d ] x5d } x7d (rs) x1e > x3e ^ x5e ~ x7e (us) x1f? x3f _ x5f (del) x7f ASCII Name Description C Escape Sequence nul null byte \0 bel bell character \a bs backspace \b ht horizontal tab \t np formfeed \f nl newline \n cr carriage return \r vt vertical tab esc escape sp space ASCII Code table and MIPS instruction set Page 1 of 7
2 Register Number Usage Name zero $0 Constant 0 $at $1 Reserved for assembler $v0 $v1 $2 $3 Expression evaluation and results of a function $a0 $a3 $4 $7 Argument 1 4 $t0 $t7 $8 $15 Temporary (not preserved across call) $s0 $s7 $16 $23 Saved temporary (preserved across call) $t8 $t9 $24 $25 Temporary (not preserved across call) $k0 $k1 $26 $27 Reserved for OS kernel $gp $28 Pointer to global area $sp $29 Stack pointer $fp $30 Frame pointer $ra $31 Return address (used by function call) MIPS registers and the convention governing their use. ASCII Code table and MIPS instruction set Page 2 of 7
3 Arithmetic and Logical Instructions Absolute Value abs Rdest, Rsrc Addition (with overflow) add Rdest, Rsrc1, Src2 Addition Immediate (with overflow) addi Rdest, Rsrc1, Imm Addition (without overflow) addu Rdest, Rsrc1, Src2 Addition Immediate (without overflow) addiu Rdest, Rsrc1, Imm AND and Rdest, Rsrc1, Src2 AND Immediate andi Rdest, Rsrc1, Imm Divide (signed) div Rsrc1, Rsrc2 Divide (unsigned) divu Rsrc1, Rsrc2 Divide (signed, with overflow) div Rdest, Rsrc1, Src2 Divide (unsigned, without overflow) divu Rdest, Rsrc1, Src2 Multiply (without overflow) mul Rdest, Rsrc1, Src2 Multiply (with overflow) mulo Rdest, Rsrc1, Src2 Unsigned Multiply (with overflow) mulou Rdest, Rsrc1, Src2 Multiply mult Rsrc1, Rsrc2 Unsigned Multiply multu Rsrc1, Rsrc2 Negate Value (with overflow) neg Rdest, Rsrc Negate Value (without overflow) negu Rdest, Rsrc NOR nor Rdest, Rsrc1, Src2 NOT not Rdest, Rsrc OR or Rdest, Rsrc1, Src2 OR Immediate ori Rdest, Rsrc1, Imm Remainder rem Rdest, Rsrc1, Src2 Unsigned Remainder remu Rdest, Rsrc1, Src2 Rotate Left rol Rdest, Rsrc1, Src2 Rotate Right ror Rdest, Rsrc1, Src2 Shift Left Logical sll Rdest, Rsrc1, Src2 Shift Left Logical Variable sllv Rdest, Rsrc1, Rsrc2 Shift Right Arithmetic sra Rdest, Rsrc1, Src2 Shift Right Arithmetic Variable srav Rdest, Rsrc1, Rsrc2 Shift Right Logical srl Rdest, Rsrc1, Src2 Shift Right Logical Variable srlv Rdest, Rsrc1, Rsrc2 Subtract (with overflow) sub Rdest, Rsrc1, Src2 Subtract (without overflow) subu Rdest, Rsrc1, Src2 XOR xor Rdest, Rsrc1, Src2 XOR Immediate xori Rdest, Rsrc1, Imm ASCII Code table and MIPS instruction set Page 3 of 7
4 Branch and Jump Instructions Branch instruction b label Branch Coprocessor z True bczt label Branch Coprocessor z False bczf label Branch on Equal beq Rsrc1, Src2, label Branch on Equal Zero beqz Rsrc, label Branch on Greater Than Equal bge Rsrc1, Src2, label Branch on GTE Unsigned bgeu Rsrc1, Src2, label Branch on Greater Than Equal Zero bgez Rsrc, label Branch on Greater Than Equal Zero And Link bgezal Rsrc, label Branch on Greater Than bgt Rsrc1, Src2, label Branch on Greater Than Unsigned bgtu Rsrc1, Src2, label Branch on Greater Than Zero bgtz Rsrc, label Branch on Less Than Equal ble Rsrc1, Src2, label Branch on LTE Unsigned bleu Rsrc1, Src2, label Branch on Less Than Equal Zero blez Rsrc, label Branch on Greater Than Equal Zero And Link bgezal Rsrc, label Branch on Less Than And Link bltzal Rsrc, label Branch on Less Than blt Rsrc1, Src2, label Branch on Less Than Unsigned bltu Rsrc1, Src2, label Branch on Less Than Zero bltz Rsrc, label Branch on Not Equal bne Rsrc1, Src2, label Branch on Not Equal Zero bnez Rsrc, label Jump j label Jump and Link jal label Jump and Link Register jalr Rsrc Jump Register jr Rsrc Data Movement Instructions Move move Rdest, Rsrc Move From hi mfhi Rdest Move From lo mflo Rdest Move To hi mthi Rdest Move To lo mtlo Rdest Move From Coprocessor z mfcz Rdest, CPsrc Move Double From Coprocessor 1 mfc1.d Rdest, FRsrc1 Move To Coprocessor z mtcz Rsrc, CPdest ASCII Code table and MIPS instruction set Page 4 of 7
5 Comparison Instructions Set Equal seq Rdest, Rsrc1, Src2 Set Greater Than Equal sge Rdest, Rsrc1, Src2 Set Greater Than Equal Unsigned sgeu Rdest, Rsrc1, Src2 Set Greater Than sgt Rdest, Rsrc1, Src2 Set Greater Than Unsigned sgtu Rdest, Rsrc1, Src2 Set Less Than Equal sle Rdest, Rsrc1, Src2 Set Less Than Equal Unsigned sleu Rdest, Rsrc1, Src2 Set Less Than slt Rdest, Rsrc1, Src2 Set Less Than Immediate slti Rdest, Rsrc1, Imm Set Less Than Unsigned sltu Rdest, Rsrc1, Src2 Set Less Than Unsigned Immediate sltiu Rdest, Rsrc1, Imm Set Not Equal sne Rdest, Rsrc1, Src2 Constant-Manipulating Instructions Load Immediate li Rdest, imm Load Upper Immediate lui Rdest, imm Load Instructions Load Address la Rdest, address Load Byte lb Rdest, address Load Unsigned Byte lbu Rdest, address Load Double-Word ld Rdest, address Load Halfword lh Rdest, address Load Unsigned Halfword lhu Rdest, address Load Word lw Rdest, address Load Word Coprocessor lwcz Rdest, address Load Word Left lwl Rdest, address Load Word Right lwr Rdest, address Unaligned Load Halfword ulh Rdest, address Unaligned Load Halfword Unsigned ulhu Rdest, address Unaligned Load Word ulw Rdest, address ASCII Code table and MIPS instruction set Page 5 of 7
6 Store Instructions Store Byte sb Rsrc, address Store Double-Word sd Rsrc, address Store Halfword sh Rsrc, address Store Word sw Rsrc, address Store Word Coprocessor swcz Rsrc, address Store Word Left swl Rsrc, address Store Word Right swr Rsrc, address Unaligned Store Halfword ush Rsrc, address Unaligned Store Word usw Rsrc, address ASCII Code table and MIPS instruction set Page 6 of 7
7 Floating Point Instructions Floating Point Absolute Value Double abs.d FRdest, FRsrc Floating Point Absolute Value Single abs.s FRdest, FRsrc Floating Point Addition Double add.d FRdest, FRsrc1, FRsrc2 Floating Point Addition Single add.s FRdest, FRsrc1, FRsrc2 Compare Equal Double c.eq.d FRsrc1, FRsrc2 Compare Equal Single c.eq.s FRsrc1, FRsrc2 Compare Less Than Equal Double c.le.d FRsrc1, FRsrc2 Compare Less Than Equal Single c.le.s FRsrc1, FRsrc2 Compare Less Than Double c.lt.d FRsrc1, FRsrc2 Compare Less Than Single c.lt.s FRsrc1, FRsrc2 Convert Single to Double cvt.d.s FRdest, FRsrc Convert Integer to Double cvt.d.w FRdest, FRsrc Convert Double to Single cvt.s.d FRdest, FRsrc Convert Integer to Single cvt.s.w FRdest, FRsrc Convert Double to Integer cvt.w.d FRdest, FRsrc Convert Single to Integer cvt.w.s FRdest, FRsrc Floating Point Divide Double div.d FRdest, FRsrc1, FRsrc2 Floating Point Divide Single div.s FRdest, FRsrc1, FRsrc2 Load Floating Point Double l.d FRdest, address Load Floating Point Single l.s FRdest, address Move Floating Point Double mov.d FRdest, FRsrc Move Floating Point Single mov.s FRdest, FRsrc Floating Point Multiply Double mul.d FRdest, FRsrc1, FRsrc2 Floating Point Multiply Single mul.s FRdest, FRsrc1, FRsrc2 Negate Double neg.d FRdest, FRsrc Negate Single neg.s FRdest, FRsrc Store Floating Point Double s.d FRdest, address Store Floating Point Single s.s FRdest, address Floating Point Subtract Double sub.d FRdest, FRsrc1, FRsrc2 Floating Point Subtract Single sub.s FRdest, FRsrc1, FRsrc2 Exception and Trap Instructions Return From Exception rfe System Call syscall Break break n No operation nop ASCII Code table and MIPS instruction set Page 7 of 7
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