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David Schmenk 2014-04-29 20:38:41 -07:00
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@ -18,10 +18,6 @@ The PLASMA low level operations are defined as:
| OP | Description
|-------|-----------------------------------
| ZERO | push zero on the stack
| DROP | drop top stack value
| DUP | duplicate top stack value
| OVER | duplicate next from top stack value
| SWAP | swap two topmost stack values
| ADD | add top two values, 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
@ -31,36 +27,25 @@ The PLASMA low level operations are defined as:
| DECR | decrement top of stack
| NEG | negate top of stack
| COMP | compliment top of stack
| BAND | bit wise AND top two values, leave result on top
| AND | bit wise AND 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
| NOT | logical NOT of top of stack
| LOR | logical OR 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
| 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 (ADD)
| IDXW | add 2X top of stack to next from top, leave result on top
| LAA | load absolute address
| NOT | logical NOT of top of stack
| LA | load address
| LLA | load local address from frame offset
| CB | constant byte
| CW | constant word
| LB | load byte from top of stack address
| LW | load word from top of stack address
| LLB | load byte from frame offset
| LLW | load word from frame offset
| LAB | load byte from absolute address
| LAW | load word from absolute address
| SB | store top of stack byte 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
| SLW | store top of stack into local word at frame offset
| SAB | store top of stack into byte at absolute address
| SAW | store top of stack into word at absolute address
| DLB | duplicate top of stack into local byte at frame offset
| DLW | duplicate top of stack into local word at frame offset
| DAB | duplicate top of stack into byte at absolute address
| DAW | duplicate top of stack into word at absolute address
| SWAP | swap two topmost stack values
| DROP | drop top stack value
| DUP | duplicate top stack value
| PUSH | push top to call stack
| PULL | pull from call stack
| BRGT | branch next from top greater than top
| BRLT | branch next from top less than top
| BREQ | branch next from top equal to top
@ -79,8 +64,22 @@ The PLASMA low level operations are defined as:
| ENTER | allocate frame size and copy stack parameters to local frame
| LEAVE | deallocate frame and return from sub routine call
| RET | return from sub routine call
| PUSH | push top to call stack
| PULL | pull from call stack
| LB | load byte from top of stack address
| LW | load word from top of stack address
| LLB | load byte from frame offset
| LLW | load word from frame offset
| LAB | load byte from absolute address
| LAW | load word from absolute address
| SB | store top of stack byte 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
| SLW | store top of stack into local word at frame offset
| SAB | store top of stack into byte at absolute address
| SAW | store top of stack into word at absolute address
| DLB | duplicate top of stack into local byte at frame offset
| DLW | duplicate top of stack into local word at frame offset
| DAB | duplicate top of stack into byte at absolute address
| DAW | duplicate top of stack into word at absolute address
##PLASMA Compiler/Assembler