fix up documentation for values

1 files changed, 94 insertions, 96 deletions

diff --git a/doc/opcode.md b/doc/opcode.md
index 3487f9afb..574a3c83f 100644
--- a/doc/opcode.md
+++ b/doc/opcode.md
@@ -31,99 +31,97 @@ with `"`, either `OP_EXT1` or `OP_EXT2` or `OP_EXT2` can be prefixed.
 
 ## table.1 Instruction Table
 
-```
-|Instruction Name |Operand type |Semantics        
-|-----------------|-------------|-----------------
-|OP_NOP           | -           |                 
-|OP_MOVE"         |BB           |R(a) = R(b)      
-|OP_LOADL"        |BB           |R(a) = Pool(b)   
-|OP_LOADI"        |BsB          |R(a) = mrb_int(b)
-|OP_LOADI_0'      |B            |R(a) = 0
-|OP_LOADI_1'      |B            |R(a) = 1
-|OP_LOADI_2'      |B            |R(a) = 2
-|OP_LOADI_3'      |B            |R(a) = 3
-|OP_LOADSYM"      |BB           |R(a) = Syms(b)
-|OP_LOADNIL'      |B            |R(a) = nil
-|OP_LOADSELF'     |B            |R(a) = self
-|OP_LOADT'        |B            |R(a) = true
-|OP_LOADF'        |B            |R(a) = false
-|OP_GETGV"        |BB           |R(a) = getglobal(Syms(b))
-|OP_SETGV"        |BB           |setglobal(Syms(b), R(a))
-|OP_GETSV"        |BB           |R(a) = Special[b]
-|OP_SETSV"        |BB           |Special[b] = R(a)
-|OP_GETIV"        |BB           |R(a) = ivget(Syms(b))
-|OP_SETIV"        |BB           |ivset(Syms(b),R(a))
-|OP_GETCV"        |BB           |R(a) = cvget(Syms(b))
-|OP_SETCV"        |BB           |cvset(Syms(b),R(a))
-|OP_GETCONST"     |BB           |R(a) = constget(Syms(b))
-|OP_SETCONST"     |BB           |constset(Syms(b),R(a))
-|OP_GETMCNST"     |BB           |R(a) = R(a)::Syms(b)
-|OP_SETMCNST"     |BB           |R(a+1)::Syms(b) = R(a)
-|OP_GETUPVAR'     |BBB          |R(a) = uvget(b,c)
-|OP_SETUPVAR'     |BBB          |uvset(b,c,R(a))
-|OP_JMP           |S            |pc+=a
-|OP_JMPIF'        |SB           |if R(b) pc+=a
-|OP_JMPNOT'       |SB           |if !R(b) pc+=a
-|OP_ONERR         |sS           |rescue_push(pc+a)
-|OP_EXCEPT'       |B            |R(a) = exc
-|OP_RESCUE"       |BB           |R(b) = R(a).isa?(R(b))
-|OP_POPERR        |B            |a.times{rescue_pop()}
-|OP_RAISE'        |B            |raise(R(a))
-|OP_EPUSH'        |B            |ensure_push(SEQ[a])
-|OP_EPOP          |B            |A.times{ensure_pop().call}
-|OP_SENDV"        |BB           |R(a) = call(R(a),Syms(b),*R(a+1))
-|OP_SENDVB"       |BB           |R(a) = call(R(a),Syms(b),*R(a+1),&R(a+2))
-|OP_SEND"         |BBB          |R(a) = call(R(a),Syms(b),R(a+1),...,R(a+c))
-|OP_SENDB"        |BBB          |R(a) = call(R(a),Syms(Bx),R(a+1),...,R(a+c),&R(a+c+1))
-|OP_CALL'         |B            |R(a) = self.call(frame.argc, frame.argv)
-|OP_SUPER'        |BB           |R(a) = super(R(a+1),... ,R(a+b+1))
-|OP_ARGARY'       |BS           |R(a) = argument array (16=5:1:5:1:4)
-|OP_ENTER         |W            |arg setup according to flags (23=5:5:1:5:5:1:1)
-|OP_KARG"         |BB           |R(a) = kdict[Syms(Bx)]                          # todo
-|OP_KARG2"        |BB           |R(a) = kdict[Syms(Bx)]; kdict.rm(Syms(b))       # todo
-|OP_RETURN'       |B            |return R(a) (normal)
-|OP_RETURN_BLK'   |B            |return R(a) (in-block return)
-|OP_BREAK'        |B            |break R(a)
-|OP_BLKPUSH'      |BS           |R(a) = block (16=5:1:5:1:4)
-|OP_ADD"          |BB           |R(a) = R(a)+R(a+1)
-|OP_ADDI"         |BBB          |R(a) = R(a)+mrb_int(c)
-|OP_SUB"          |BB           |R(a) = R(a)-R(a+1)
-|OP_SUBI"         |BB           |R(a) = R(a)-C
-|OP_MUL"          |BB           |R(a) = R(a)*R(a+1)
-|OP_DIV"          |BB           |R(a) = R(a)/R(a+1)
-|OP_EQ"           |BB           |R(a) = R(a)==R(a+1)
-|OP_LT"           |BB           |R(a) = R(a)<R(a+1)
-|OP_LE"           |BB           |R(a) = R(a)<=R(a+1)
-|OP_GT"           |BB           |R(a) = R(a)>R(a+1)
-|OP_GE"           |BB           |R(a) = R(a)>=R(a+1)
-|OP_ARRAY'        |BB           |R(a) = ary_new(R(a),R(a+1)..R(a+b))
-|OP_ARRAY2"       |BB           |R(a) = ary_new(R(b),R(b+1)..R(b+c))
-|OP_ARYCAT'       |B            |ary_cat(R(a),R(a+1))
-|OP_ARYPUSH'      |B            |ary_push(R(a),R(a+1))
-|OP_AREF'         |BB           |R(a) = R(a)[b]
-|OP_ASET'         |BB           |R(a)[b] = R(a+1)
-|OP_APOST'        |BB           |*R(a),R(A+1)..R(A+C) = R(a)[B..]
-|OP_STRING"       |BB           |R(a) = str_dup(Lit(b))
-|OP_STRCAT'       |B            |str_cat(R(a),R(a+1))
-|OP_HASH'         |BB           |R(a) = hash_new(R(a),R(a+1)..R(a+b))
-|OP_HASHADD'      |BB           |R(a) = hash_push(R(a),R(a+1)..R(a+b))
-|OP_LAMBDA"       |BB           |R(a) = lambda(SEQ[b],OP_L_LAMBDA)
-|OP_BLOCK"        |BB           |R(a) = lambda(SEQ[b],OP_L_BLOCK)
-|OP_METHOD"       |BB           |R(a) = lambda(SEQ[b],OP_L_METHOD)
-|OP_RANGE_INC'    |B            |R(a) = range_new(R(a),R(a+1),FALSE)
-|OP_RANGE_EXC'    |B            |R(a) = range_new(R(a),R(a+1),TRUE)
-|OP_OCLASS'       |B            |R(a) = ::Object
-|OP_CLASS"        |BB           |R(a) = newclass(R(a),Syms(b),R(a+1))
-|OP_MODULE"       |BB           |R(a) = newmodule(R(a),Syms(b))
-|OP_EXEC"         |BB           |R(a) = blockexec(R(a),SEQ[b])
-|OP_DEF"          |BB           |R(a).newmethod(Syms(b),R(a+1))
-|OP_ALIAS'        |B            |alias_method(R(a),R(a+1),R(a+2))
-|OP_UNDEF"        |BB           |undef_method(R(a),Syms(b))
-|OP_SCLASS'       |B            |R(a) = R(a).singleton_class
-|OP_TCLASS'       |B            |R(a) = target_class
-|OP_ERR'          |B            |raise(RuntimeError, Lit(Bx))
-|OP_EXT1          |-            |make 1st operand 16bit
-|OP_EXT2          |-            |make 2nd operand 16bit
-|OP_EXT3          |-            |make 1st and 2nd operands 16bit
-|OP_STOP          |-            |stop VM
-```
+| Instruction Name | Operand type | Semantics        	|
+|:-----------------|--------------|---------------------|
+| OP_NOP           | -            |                  	|
+| OP_MOVE"         | BB           | R(a) = R(b)      	
+| OP_LOADL"        | BB           | R(a) = Pool(b)   	
+| OP_LOADI"        | BsB          | R(a) = mrb_int(b)	
+| OP_LOADI_0'      | B            | R(a) = 0	
+| OP_LOADI_1'      | B            | R(a) = 1	
+| OP_LOADI_2'      | B            | R(a) = 2	
+| OP_LOADI_3'      | B            | R(a) = 3	
+| OP_LOADSYM"      | BB           | R(a) = Syms(b)	
+| OP_LOADNIL'      | B            | R(a) = nil	
+| OP_LOADSELF'     | B            | R(a) = self	
+| OP_LOADT'        | B            | R(a) = true	
+| OP_LOADF'        | B            | R(a) = false	
+| OP_GETGV"        | BB           | R(a) = getglobal(Syms(b))	
+| OP_SETGV"        | BB           | setglobal(Syms(b), R(a))	
+| OP_GETSV"        | BB           | R(a) = Special[b]	
+| OP_SETSV"        | BB           | Special[b] = R(a)	
+| OP_GETIV"        | BB           | R(a) = ivget(Syms(b))	
+| OP_SETIV"        | BB           | ivset(Syms(b),R(a))	
+| OP_GETCV"        | BB           | R(a) = cvget(Syms(b))	
+| OP_SETCV"        | BB           | cvset(Syms(b),R(a))	
+| OP_GETCONST"     | BB           | R(a) = constget(Syms(b))	
+| OP_SETCONST"     | BB           | constset(Syms(b),R(a))	
+| OP_GETMCNST"     | BB           | R(a) = R(a)::Syms(b)	
+| OP_SETMCNST"     | BB           | R(a+1)::Syms(b) = R(a)	
+| OP_GETUPVAR'     | BBB          | R(a) = uvget(b,c)	
+| OP_SETUPVAR'     | BBB          | uvset(b,c,R(a))	
+| OP_JMP           | S            | pc+=a	
+| OP_JMPIF'        | SB           | if R(b) pc+=a	
+| OP_JMPNOT'       | SB           | if !R(b) pc+=a	
+| OP_ONERR         | sS           | rescue_push(pc+a)	
+| OP_EXCEPT'       | B            | R(a) = exc	
+| OP_RESCUE"       | BB           | R(b) = R(a).isa?(R(b))	
+| OP_POPERR        | B            | a.times{rescue_pop()}	
+| OP_RAISE'        | B            | raise(R(a))	
+| OP_EPUSH'        | B            | ensure_push(SEQ[a])	
+| OP_EPOP          | B            | A.times{ensure_pop().call}	
+| OP_SENDV"        | BB           | R(a) = call(R(a),Syms(b),*R(a+1))	
+| OP_SENDVB"       | BB           | R(a) = call(R(a),Syms(b),*R(a+1),&R(a+2))	
+| OP_SEND"         | BBB          | R(a) = call(R(a),Syms(b),R(a+1),...,R(a+c))	
+| OP_SENDB"        | BBB          | R(a) = call(R(a),Syms(Bx),R(a+1),...,R(a+c),&R(a+c+1))	
+| OP_CALL'         | B            | R(a) = self.call(frame.argc, frame.argv)	
+| OP_SUPER'        | BB           | R(a) = super(R(a+1),... ,R(a+b+1))	
+| OP_ARGARY'       | BS           | R(a) = argument array (16=5:1:5:1:4)	
+| OP_ENTER         | W            | arg setup according to flags (23=5:5:1:5:5:1:1)	
+| OP_KARG"         | BB           | R(a) = kdict[Syms(Bx)]                          # todo	
+| OP_KARG2"        | BB           | R(a) = kdict[Syms(Bx)]; kdict.rm(Syms(b))       # todo	
+| OP_RETURN'       | B            | return R(a) (normal)	
+| OP_RETURN_BLK'   | B            | return R(a) (in-block return)	
+| OP_BREAK'        | B            | break R(a)	
+| OP_BLKPUSH'      | BS           | R(a) = block (16=5:1:5:1:4)	
+| OP_ADD"          | BB           | R(a) = R(a)+R(a+1)	
+| OP_ADDI"         | BBB          | R(a) = R(a)+mrb_int(c)	
+| OP_SUB"          | BB           | R(a) = R(a)-R(a+1)	
+| OP_SUBI"         | BB           | R(a) = R(a)-C	
+| OP_MUL"          | BB           | R(a) = R(a)*R(a+1)	
+| OP_DIV"          | BB           | R(a) = R(a)/R(a+1)	
+| OP_EQ"           | BB           | R(a) = R(a)==R(a+1)	
+| OP_LT"           | BB           | R(a) = R(a)<R(a+1)	
+| OP_LE"           | BB           | R(a) = R(a)<=R(a+1)	
+| OP_GT"           | BB           | R(a) = R(a)>R(a+1)	
+| OP_GE"           | BB           | R(a) = R(a)>=R(a+1)	
+| OP_ARRAY'        | BB           | R(a) = ary_new(R(a),R(a+1)..R(a+b))	
+| OP_ARRAY2"       | BB           | R(a) = ary_new(R(b),R(b+1)..R(b+c))	
+| OP_ARYCAT'       | B            | ary_cat(R(a),R(a+1))	
+| OP_ARYPUSH'      | B            | ary_push(R(a),R(a+1))	
+| OP_AREF'         | BB           | R(a) = R(a)[b]	
+| OP_ASET'         | BB           | R(a)[b] = R(a+1)	
+| OP_APOST'        | BB           | *R(a),R(A+1)..R(A+C) = R(a)[B..]	
+| OP_STRING"       | BB           | R(a) = str_dup(Lit(b))	
+| OP_STRCAT'       | B            | str_cat(R(a),R(a+1))	
+| OP_HASH'         | BB           | R(a) = hash_new(R(a),R(a+1)..R(a+b))	
+| OP_HASHADD'      | BB           | R(a) = hash_push(R(a),R(a+1)..R(a+b))	
+| OP_LAMBDA"       | BB           | R(a) = lambda(SEQ[b],OP_L_LAMBDA)	
+| OP_BLOCK"        | BB           | R(a) = lambda(SEQ[b],OP_L_BLOCK)	
+| OP_METHOD"       | BB           | R(a) = lambda(SEQ[b],OP_L_METHOD)	
+| OP_RANGE_INC'    | B            | R(a) = range_new(R(a),R(a+1),FALSE)	
+| OP_RANGE_EXC'    | B            | R(a) = range_new(R(a),R(a+1),TRUE)	
+| OP_OCLASS'       | B            | R(a) = ::Object	
+| OP_CLASS"        | BB           | R(a) = newclass(R(a),Syms(b),R(a+1))	
+| OP_MODULE"       | BB           | R(a) = newmodule(R(a),Syms(b))	
+| OP_EXEC"         | BB           | R(a) = blockexec(R(a),SEQ[b])	
+| OP_DEF"          | BB           | R(a).newmethod(Syms(b),R(a+1))	
+| OP_ALIAS'        | B            | alias_method(R(a),R(a+1),R(a+2))	
+| OP_UNDEF"        | BB           | undef_method(R(a),Syms(b))	
+| OP_SCLASS'       | B            | R(a) = R(a).singleton_class	
+| OP_TCLASS'       | B            | R(a) = target_class	
+| OP_ERR'          | B            | raise(RuntimeError, Lit(Bx))	
+| OP_EXT1          | -            | make 1st operand 16bit	
+| OP_EXT2          | -            | make 2nd operand 16bit	
+| OP_EXT3          | -            | make 1st and 2nd operands 16bit	
+| OP_STOP          | -            | stop VM