User:Zarutian/Smallcaps

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                         when handler is invoked: [...],[...] => handler(arg) => [rethrower(arg)],[]
                         when handler is invoked: [...],[...] => handler(arg) => [rethrower(arg)],[]
                         when handler is dropped: [...],[...] => handler.drop(pc) => [returner(pc)],[]
                         when handler is dropped: [...],[...] => handler.drop(pc) => [returner(pc)],[]
 +
  0x12 OP_END_HANDLER  [],[handler] => OP_END_HANDLER => [],[]
 +
 
 +
  0x16 OP_WHOLE_NUM    [],[] => OP_WHOLE_NUM(wholeNum) => [wholeNum],[]

Revision as of 17:16, 30 January 2010

Notes of what I have cleaned from the incomplete spefication and implementation of Smallcaps.

Smallcaps is a bytecode based format of executable code.

The opcodes are:

 Hex Memnomic         Effects/Description
 
 0x01 OP_DUP           [x],[] => OP_DUP => [x, x],[]
 0x02 OP_POP           [x],[] => OP_POP => [],[]
 0x03 OP_SWAP          [x, y],[] => OP_SWAP => [y, x],[]
 0x04 OP_ROT           [x, y, z],[] => OP_ROT => [y, z, x],[]
 0x05 OP_RETURN        [x],[] => OP_RETURN
 
 0x08 OP_JUMP          [],[] => OP_JUMP(label) => [],[]
                       label := ?Waterken Wholenum?
 0x09 OP_BRANCH        [ootEjector, flag],[] => OP_BRANCH => [],[]
 0x0A OP_CALL_ONLY     [recip, args...],[] => OP_CALL_ONLY(verb, arity) => [],[]
 0x0B OP_CALL          [recip, args...],[] => OP_CALL(verb, arity) => [result],[]
                       verb := ?Waterken UTF8 string?
                       arity := ?Waterken Wholenum?
 
 0x0E OP_EJECTOR_ONLY  [],[] => OP_EJECTOR_ONLY(label) => [ejector],[handler] 
                       when ejector is invoked: [...],[...] => ejector(_) => [],[]
 0x0F OP_EJECTOR       [],[] => OP_EJECTOR(label) => [ejector],[handler]
                       when ejector is invoked: [...],[...] => ejector(result) => [result],[]
 0x10 OP_TRY           [],[] => OP_TRY(label) => [],[handler]
                       when handler is invoked: [...],[...] => handler(arg) => [arg],[]
                       when handler is dropped: [...],[...] => handler.drop(_) => [...],[...]
 0x11 OP_UNWIND        [],[] => OP_UNWIND(label) => [],[handler]
                       when handler is invoked: [...],[...] => handler(arg) => [rethrower(arg)],[]
                       when handler is dropped: [...],[...] => handler.drop(pc) => [returner(pc)],[]
 0x12 OP_END_HANDLER   [],[handler] => OP_END_HANDLER => [],[]
 
 0x16 OP_WHOLE_NUM     [],[] => OP_WHOLE_NUM(wholeNum) => [wholeNum],[]
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