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Koichi Nakamura 2020-12-29 16:01:10 +09:00
parent a6d2b4aa06
commit 0032f10502
1 changed files with 18 additions and 18 deletions
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README.md
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@ -11,21 +11,21 @@ $ cat helloworld.fs | ./plank
# Builtin Words # Builtin Words
| code | name | semantics | | code | name | stack effect | semantics |
|:----:|:---------|:------------------------------------------| |:----:|:---------|:--------------|:-------------------------------|
| Q | quit | ( -- ) Exit the process | | Q | quit | ( -- ) | Exit the process |
| C | cell | ( -- n ) The size of Cells | | C | cell | ( -- n ) | The size of Cells |
| h | here | ( -- addr ) The address of 'here' cell | | h | here | ( -- addr ) | The address of 'here' cell |
| l | latest | ( -- addr ) The address of 'latest' cell | | l | latest | ( -- addr ) | The address of 'latest' cell |
| k | key | ( -- n ) Read character | | k | key | ( -- n ) | Read character |
| t | type | ( n -- ) Print character | | t | type | ( n -- ) | Print character |
| j | jump | ( -- ) Unconditional branch. | | j | jump | ( -- ) | Unconditional branch. |
| J | 0jump | ( a -- ) Jump if a == 0. | | J | 0jump | ( a -- ) | Jump if a == 0. |
| f | find | ( c -- xt ) Get execution token of c | | f | find | ( c -- xt ) | Get execution token of c |
| x | execute | ( xt -- ... ) Run the execution token | | x | execute | ( xt -- ... ) | Run the execution token |
| @ | fetch | ( addr -- a ) Load value from addr | | @ | fetch | ( addr -- a ) | Load value from addr |
| ! | store | ( a addr -- ) Store value to addr | | ! | store | ( a addr -- ) | Store value to addr |
| ? | cfetch | ( addr -- c ) Load byte from addr | | ? | cfetch | ( addr -- c ) | Load byte from addr |
| $ | cstore | ( c addr -- ) Store byte to addr | | $ | cstore | ( c addr -- ) | Store byte to addr |
| d | dfetch | ( -- addr ) Get data stack pointer | | d | dfetch | ( -- addr ) | Get data stack pointer |
| D | dstore | ( addr -- ) Set data stack pointer | | D | dstore | ( addr -- ) | Set data stack pointer |