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Fix stack notation

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Koichi Nakamura 2021-01-02 09:35:07 +09:00
parent 8741d78b4d
commit d218a9eda2
1 changed files with 32 additions and 32 deletions
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64
core.fs
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@ -24,38 +24,38 @@ l!
\ In the 1st stage, only single character words are registered \ In the 1st stage, only single character words are registered
\ in the dictionary. \ in the dictionary.
\ List of builtin words: \ List of builtin words:
\ 'Q' ( -- ) Exit the process \ 'Q' ( -- ) Exit the process
\ 'C' ( -- n ) The size of Cells \ 'C' ( -- n ) The size of Cells
\ 'h' ( -- addr ) The address of 'here' cell \ 'h' ( -- a-addr ) The address of 'here' cell
\ 'l' ( -- addr ) The address of 'latest' cell \ 'l' ( -- a-addr ) The address of 'latest' cell
\ 'k' ( -- c ) Read character \ 'k' ( -- c ) Read character
\ 't' ( c -- ) Print character \ 't' ( c -- ) Print character
\ 'j' ( -- ) Unconditional branch \ 'j' ( -- ) Unconditional branch
\ 'J' ( a -- ) Jump if a == 0 \ 'J' ( n -- ) Jump if a == 0
\ 'f' ( c -- xt ) Get execution token of c \ 'f' ( c -- xt ) Get execution token of c
\ 'x' ( xt -- ... ) Run the execution token \ 'x' ( xt -- ... ) Run the execution token
\ '@' ( addr -- a ) Load value from addr \ '@' ( a-addr -- w ) Load value from addr
\ '!' ( a addr -- ) Store value to addr \ '!' ( w a-addr -- ) Store value to addr
\ '?' ( addr -- c ) Load byte from addr \ '?' ( c-addr -- c ) Load byte from addr
\ '$' ( c addr -- ) Store byte to addr \ '$' ( c c-addr -- ) Store byte to addr
\ 'd' ( -- addr ) Get data stack pointer \ 'd' ( -- a-addr ) Get data stack pointer
\ 'D' ( addr -- ) Set data stack pointer \ 'D' ( a-addr -- ) Set data stack pointer
\ 'r' ( -- addr ) Get return stack pointer \ 'r' ( -- a-addr ) Get return stack pointer
\ 'R' ( addr -- ) Set return stack pointer \ 'R' ( a-addr -- ) Set return stack pointer
\ 'i' ( -- addr ) Get the interpreter function \ 'i' ( -- a-addr ) Get the interpreter function
\ 'e' ( -- ) Exit current function \ 'e' ( -- ) Exit current function
\ 'L' ( -- a ) Load immediate \ 'L' ( -- u ) Load immediate
\ 'S' ( -- addr len) Load string literal \ 'S' ( -- a-addr u ) Load string literal
\ '+' ( a b -- c ) c = (a + b) \ '+' ( a b -- c ) c = (a + b)
\ '-' ( a b -- c ) c = (a - b) \ '-' ( a b -- c ) c = (a - b)
\ '*' ( a b -- c ) c = (a * b) \ '*' ( a b -- c ) c = (a * b)
\ '/' ( a b -- c ) c = (a / b) \ '/' ( a b -- c ) c = (a / b)
\ '%' ( a b -- c ) c = (a % b) \ '%' ( a b -- c ) c = (a % b)
\ '&' ( a b -- c ) c = (a & b) \ '&' ( a b -- c ) c = (a & b)
\ '|' ( a b -- c ) c = (a | b) \ '|' ( a b -- c ) c = (a | b)
\ '^' ( a b -- c ) c = (a ^ b) \ '^' ( a b -- c ) c = (a ^ b)
\ '<' ( a b -- c ) c = (a < b) \ '<' ( a b -- c ) c = (a < b)
\ '=' ( a b -- c ) c = (a == b \ '=' ( a b -- c ) c = (a == b
\ The 1st stage interpreter repeats execution of k, f and x. \ The 1st stage interpreter repeats execution of k, f and x.
\ There is no concept such as IMMEDIATE mode yet. \ There is no concept such as IMMEDIATE mode yet.