-in programming lanquage):
-
-#+BEGIN_VERSE
-
-code mnemonic description
-
-0 nop does notheing
-1 halt halt CPU ( return to DOS on emulator )
-
-2 kbd@ ( -- c ) read scancode of pressed or released key.
- Returns 0, if no data avaiable.
-3 num <dword> ( -- n ) put immidiate number into datastack
-
-4 jmp <dword> jump to specified code
-5 call <dword>jump to specified code, save return address to
- return stack.
-
-6 1+ ( n -- n+1 )
-7 1- ( n -- n-1 )
-
-8 dup ( n -- n n ) duplicate top of data stack
-9 drop ( n -- ) drop last element in data stack
-
-10 if <dword> ( n -- ) jump to addr if top element was 0
-11 ret jump to code, specified in return stack.
-
-12 c@ ( addr -- n ) read byte from memory at specified address
-13 c! ( n addr -- ) store byte to specified memory
-
-14 push ( DSTK -> RSTK ) move top of datastack to returnstack
-15 pop ( RSTK -> DSTK ) move top of returnstack to datastack
-
-16 <unused>
-17 rot ( n1 n2 n3 -- n2 n3 n1) rotate stack elements
-
-18 disk@ ( FromDiskSect ToMem -- ) read 1KB from disk into RAM
-19 disk! ( FromMem ToDiskSect -- ) write 1KB to disk
-
-20 @ ( addr -- n ) read 32 bit number from memory
-21 ! ( n addr -- ) store 32 bit number to memory
-
-22 over ( n1 n2 -- n1 n2 n1 ) self explaining ...
-23 swap ( n1 n2 -- n2 n1 ) -,,-
-
-24 + ( n1 n2 -- n1+n2 ) -,,-
-25 - ( n1 n2 -- n1-n2 ) -,,-
-
-26 * ( n1 n2 -- n1*n2 ) -,,-
-27 / ( n1 n2 -- n1/n2 ) -,,-
-
-28 > ( n1 n2 -- result ) is true when n1 > n2
-29 < ( n1 n2 -- result ) is true when n1 < n2
-
-30 not ( n1 -- not_n1 ) logical not
-31 i ( -- n ) copies top of return stack into datastack
-
-32 cprt@ ( addr -- n ) read one byte from hardware port
-33 cprt! ( n addr -- ) store one byte to hardware port
-
-34 i2 ( -- n ) like "i" but takes socond top stack element.
-35 i3 ( -- n ) like "i" but takes third top stack element.
-
-36 shl ( n amount -- n ) left bit shift
-37 shr ( n amount -- n ) right bit shift
-
-38 or ( n1 n2 -- n ) logical or
-39 xor ( n1 n2 -- n ) exclusive logical or
-
-40 vidmap ( addr -- ) copy memory from "addr" to video memory.
-
-41 mouse@ ( -- x y button ) read mouse coordinates & buttons
-
-42 vidput ( addr1 addr2 x y -- ) put image1 into image2, at
- location x, y. Does clipping, so part of a big image
- can be mapped into smaller one.
-
-43 cmove ( addr1 addr2 amount ) move memory from addr1 to addr2
- if addr1 is greater than addr2 then count address
- foward while moving, elseway starts from end and
- counts backwards, so no data loss will occure on
- overlapping.
-
-44 cfill ( c addr amount -- ) fill memory starting at "addr"
- with "c" bytes.
-
-45 tvidput ( addr1 addr2 x y -- ) same as "vidput" but treats
- color 255 in source image as transparent.
-
-46 depth ( -- depth ) returns current depth of data stack.
-
-47 charput ( colorfg colorbg addrsrc addrdest x y )
- draw character to image buffer located at "addrdest"
- to specified x & y location. Decodes 8 bytes from
- source to bits, used to draw character.
-#+END_VERSE
+in programming language):
+
+
+| # | name | stack footprint | description |
+|----+--------------+--------------------------------------+-------------------------------------------------------------|
+| 0 | nop | -- | does nothing |
+| 1 | halt | -- | halt CPU ( return to DOS on emulator ) |
+| 2 | [[id:820b1b90-4f4c-4ab1-b49f-9b4a52ea2528][kbd@]] | -- c | read scancode of pressed or released key |
+| 3 | num <dword> | -- n | put immidiate number into datastack |
+| 4 | jmp <dword> | -- | jump to specified code |
+| 5 | call <dword> | | jump to specified code, save return address to return stack |
+| 6 | 1+ | n -- n+1 | |
+| 7 | 1- | n -- n-1 | |
+| 8 | dup | n -- n n | duplicate top of data stack |
+| 9 | drop | n -- | drop last element in data stack |
+| 10 | if <dword> | n -- | jump to addr if top element was 0 |
+| 11 | ret | | jump to code, specified in return stack. |
+| 12 | c@ | addr -- n | read byte from memory at specified address |
+| 13 | c! | n addr -- | store byte to specified memory |
+| 14 | push | DSTK -> RSTK | move top of datastack to returnstack |
+| 15 | pop | RSTK -> DSTK | move top of returnstack to datastack |
+| 16 | <unused> | | |
+| 17 | rot | n1 n2 n3 -- n2 n3 n1 | rotate stack elements |
+| 18 | disk@ | FromDiskSect ToMem -- | read 1KB from disk into RAM |
+| 19 | disk! | FromMem ToDiskSect -- | write 1KB to disk |
+| 20 | @ | addr -- n | read 32 bit number from memory |
+| 21 | ! | n addr -- | store 32 bit number to memory |
+| 22 | over | n1 n2 -- n1 n2 n1 | |
+| 23 | swap | n1 n2 -- n2 n1 | |
+| 24 | + | n1 n2 -- n1+n2 | |
+| 25 | - | n1 n2 -- n1-n2 | |
+| 26 | * | n1 n2 -- n1*n2 | |
+| 27 | / | n1 n2 -- n1/n2 | |
+| 28 | > | n1 n2 -- result | is true when n1 > n2 |
+| 29 | < | n1 n2 -- result | is true when n1 < n2 |
+| 30 | not | n1 -- not_n1 | logical not |
+| 31 | i | -- n | copies top of return stack into datastack |
+| 32 | cprt@ | addr -- n | read one byte from hardware port |
+| 33 | cprt! | n addr -- | store one byte to hardware port |
+| 34 | i2 | -- n | like "i" but takes second top stack element |
+| 35 | i3 | -- n | like "i" but takes third top stack element. |
+| 36 | shl | n amount -- n | left bit shift |
+| 37 | shr | n amount -- n | right bit shift |
+| 38 | or | n1 n2 -- n | logical or |
+| 39 | xor | n1 n2 -- n | exclusive logical or |
+| 40 | vidmap | addr -- | copy memory from "addr" to video memory. |
+| 41 | mouse@ | -- x y button | read mouse coordinates & buttons |
+| 42 | [[id:238e8b03-57b6-424d-bfee-b6bb652cefbc][vidput]] | addr1 addr2 x y -- | put image1 into image2, at location x, y |
+| 43 | [[id:79e1916f-4103-42cc-ac10-bb1ee776ed50][cmove]] | addr1 addr2 amount | move memory from addr1 to addr2 |
+| 44 | cfill | c addr amount -- | fill memory starting at "addr" with "c" bytes. |
+| 45 | [[id:ab45247c-44c3-464d-9e2a-337f483b4616][tvidput]] | addr1 addr2 x y -- | put image with transparency support |
+| 46 | depth | -- depth | returns current depth of data stack. |
+| 47 | [[id:4bb479cf-aae0-4128-9868-f016c286a162][charput]] | colorfg colorbg addrsrc addrdest x y | draw text character |
+
+*** kbd@ - read scancode of pressed or released key
+:PROPERTIES:
+:ID: 820b1b90-4f4c-4ab1-b49f-9b4a52ea2528
+:END:
+Returns 0 if no data available.
+*** vidput - put image1 into image2, at location x, y
+:PROPERTIES:
+:ID: 238e8b03-57b6-424d-bfee-b6bb652cefbc
+:END:
+Does clipping, so part of a big image can be mapped into smaller one.
+*** cmove - copy memory array
+:PROPERTIES:
+:ID: 79e1916f-4103-42cc-ac10-bb1ee776ed50
+:END:
+Move memory from addr1 to addr2. If addr1 is greater than addr2 then
+count address foward while moving, elseway starts from end and counts
+backwards, so no data loss occurs when memory regions partially
+overlap.
+*** tvidput - put image with transparency support
+:PROPERTIES:
+:ID: ab45247c-44c3-464d-9e2a-337f483b4616
+:END:
+Stack footprint
+: addr1 addr2 x y --
+
+Put image1 into image2, at location x, y with transparency support
+
+Color 255 in source image is treated as transparent.
+*** charput - draw text character
+:PROPERTIES:
+:ID: 4bb479cf-aae0-4128-9868-f016c286a162
+:END:
+Draw character to image buffer located at "addrdest" to specified x &
+y location. Decodes 8 bytes from source to bits, used to draw
+character.
projects / fifth.git / blobdiff