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Make Arrays its own section, comment float examples.

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HorseMD 2014-11-13 22:25:37 +00:00
parent b1c2d9ef79
commit 70b03c1868
1 changed files with 6 additions and 6 deletions
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forth.html.markdown
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@ -18,7 +18,7 @@ Forth, but most of what is written here should work elsewhere.
\ *words*. These are Forth subroutines which are executed once you press \ *words*. These are Forth subroutines which are executed once you press
\ <Cr>, from left to right. \ <Cr>, from left to right.
\ --------------------------------- Precursor --------------------------------- \ --------------------------------- Precursor ----------------------------------
\ It's important to know how forth processes instructions. All \ It's important to know how forth processes instructions. All
\ programming in Forth is done by manipulating what's known as the parameter \ programming in Forth is done by manipulating what's known as the parameter
@ -142,7 +142,7 @@ age ? \ 12 ok
100 constant WATER-BOILING-POINT \ ok 100 constant WATER-BOILING-POINT \ ok
WATER-BOILING-POINT . \ 100 ok WATER-BOILING-POINT . \ 100 ok
\ Arrays! \ ----------------------------------- Arrays -----------------------------------
\ Set up an array of length 3: \ Set up an array of length 3:
variable mynumbers 2 cells allot variable mynumbers 2 cells allot
@ -188,7 +188,7 @@ create mynumbers 64 , 9001 , 1337 , \ the last `,` is important!
\ that you set the return stack back to how it was at the end of your \ that you set the return stack back to how it was at the end of your
\ definition. `>r` should always be followed by `r>`. \ definition. `>r` should always be followed by `r>`.
\ ------------------------- Floating Point Operations ------------------------- \ ------------------------- Floating Point Operations --------------------------
\ Most forths tend to dislike the use of floating point operations. We write \ Most forths tend to dislike the use of floating point operations. We write
\ floating point operations with scientific notation. \ floating point operations with scientific notation.
@ -196,9 +196,9 @@ create mynumbers 64 , 9001 , 1337 , \ the last `,` is important!
\ Usually we can just prepend arithmetic words with 'f' to use floating point \ Usually we can just prepend arithmetic words with 'f' to use floating point
\ arithmetic: \ arithmetic:
variable myfloatingvar variable myfloatingvar \ ok
4.4e myfloatingvar f! 4.4e myfloatingvar f! \ ok
myfloatingvar f@ f. myfloatingvar f@ f. \ 4.4 ok
\ --------------------------------- Final Notes -------------------------------- \ --------------------------------- Final Notes --------------------------------