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David Schmenk 2014-04-29 20:00:57 -07:00
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@ -15,72 +15,72 @@ PLASMA takes an approach that uses the best of all the above implementations to
The PLASMA low level operations are defined as: The PLASMA low level operations are defined as:
|OP | Description | OP | Description
|------|----------------------------------- |-------|-----------------------------------
|ZERO | push zero on the stack | ZERO | push zero on the stack
|DROP | drop top stack value | DROP | drop top stack value
|DUP | duplicate top stack value | DUP | duplicate top stack value
|OVER | duplicate next from top stack value | OVER | duplicate next from top stack value
|SWAP | swap two topmost stack values | SWAP | swap two topmost stack values
|ADD | add top two values, leave result on top | ADD | add top two values, leave result on top
|SUB | subtract next from top from top, leave result on top | SUB | subtract next from top from top, leave result on top
|MUL | multiply two topmost stack values, leave result on top | MUL | multiply two topmost stack values, leave result on top
|DIV | divide next from top by top, leave result on top | DIV | divide next from top by top, leave result on top
|MOD | divide next from top by top, leave remainder on top | MOD | divide next from top by top, leave remainder on top
|INCR | increment top of stack | INCR | increment top of stack
|DECR | decrement top of stack | DECR | decrement top of stack
|NEG | negate top of stack | NEG | negate top of stack
|COMP | compliment top of stack | COMP | compliment top of stack
|BAND | bit wise AND top two values, leave result on top | BAND | bit wise AND top two values, leave result on top
|IOR | bit wise inclusive OR top two values, leave result on top | IOR | bit wise inclusive OR top two values, leave result on top
|XOR | bit wise exclusive OR top two values, leave result on top | XOR | bit wise exclusive OR top two values, leave result on top
|NOT | logical NOT of top of stack | NOT | logical NOT of top of stack
|LOR | logical OR top two values, leave result on top | LOR | logical OR top two values, leave result on top
|LAND | logical AND top two values, leave result on top | LAND | logical AND top two values, leave result on top
|SHL | shift left next from top by top, leave result on top | SHL | shift left next from top by top, leave result on top
|SHR | shift right next from top by top, leave result on top | SHR | shift right next from top by top, leave result on top
|IDXB | add top of stack to next from top, leave result on top | IDXB | add top of stack to next from top, leave result on top
|IDXW | add 2X top of stack to next from top, leave result on top | IDXW | add 2X top of stack to next from top, leave result on top
|LAA | load absolute address | LAA | load absolute address
|LLA | load local address from frame offset | LLA | load local address from frame offset
|CB | constant byte | CB | constant byte
|CW | constant word | CW | constant word
|LB | load byte from top of stack address | LB | load byte from top of stack address
|LW | load word from top of stack address | LW | load word from top of stack address
|LLB | load byte from frame offset | LLB | load byte from frame offset
|LLW | load word from frame offset | LLW | load word from frame offset
|LAB | load byte from absolute address | LAB | load byte from absolute address
|LAW | load word from absolute address | LAW | load word from absolute address
|SB | store top of stack byte into next from top address | SB | store top of stack byte into next from top address
|SW | store top of stack word into next from top address | SW | store top of stack word into next from top address
|SLB | store top of stack into local byte at frame offset | SLB | store top of stack into local byte at frame offset
|SLW | store top of stack into local word at frame offset | SLW | store top of stack into local word at frame offset
|SAB | store top of stack into byte at absolute address | SAB | store top of stack into byte at absolute address
|SAW | store top of stack into word at absolute address | SAW | store top of stack into word at absolute address
|DLB | duplicate top of stack into local byte at frame offset | DLB | duplicate top of stack into local byte at frame offset
|DLW | duplicate top of stack into local word at frame offset | DLW | duplicate top of stack into local word at frame offset
|DAB | duplicate top of stack into byte at absolute address | DAB | duplicate top of stack into byte at absolute address
|DAW | duplicate top of stack into word at absolute address | DAW | duplicate top of stack into word at absolute address
|BRGT | branch next from top greater than top | BRGT | branch next from top greater than top
|BRLT | branch next from top less than top | BRLT | branch next from top less than top
|BREQ | branch next from top equal to top | BREQ | branch next from top equal to top
|BRNE | branch next from top not equal to top | BRNE | branch next from top not equal to top
|ISEQ | if next from top is equal to top, set top true | ISEQ | if next from top is equal to top, set top true
|ISNE | if next from top is not equal to top, set top true | ISNE | if next from top is not equal to top, set top true
|ISGT | if next from top is greater than top, set top true | ISGT | if next from top is greater than top, set top true
|ISLT | if next from top is less than top, set top true | ISLT | if next from top is less than top, set top true
|ISGE | if next from top is greater than or equal to top, set top true | ISGE | if next from top is greater than or equal to top, set top true
|ISLE | if next from top is less than or equal to top, set top true | ISLE | if next from top is less than or equal to top, set top true
|BRFLS | branch if top of stack is zero | BRFLS | branch if top of stack is zero
|BRTRU | branch if top of stack is non-zero | BRTRU | branch if top of stack is non-zero
|BRNCH | branch to address | BRNCH | branch to address
|CALL | sub routine call with stack parameters | CALL | sub routine call with stack parameters
|ICAL | sub routine call to indirect address on stack top with stack parameters | ICAL | sub routine call to indirect address on stack top with stack parameters
|ENTER | allocate frame size and copy stack parameters to local frame | ENTER | allocate frame size and copy stack parameters to local frame
|LEAVE | deallocate frame and return from sub routine call | LEAVE | deallocate frame and return from sub routine call
|RET | return from sub routine call | RET | return from sub routine call
|PUSH | push top to call stack | PUSH | push top to call stack
|PULL | pull from call stack | PULL | pull from call stack
##PLASMA Compiler/Assembler ##PLASMA Compiler/Assembler