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Diffstat (limited to 'chessboard-rawterm.mu')
| -rw-r--r-- | chessboard-rawterm.mu | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/chessboard-rawterm.mu b/chessboard-rawterm.mu deleted file mode 100644 index fdb17dcb..00000000 --- a/chessboard-rawterm.mu +++ /dev/null @@ -1,224 +0,0 @@ -;; data structure: board -(primitive square) -(address square-address (square)) ; pointer. verbose but sadly necessary for now -(array file (square)) ; ranks and files are arrays of squares -(address file-address (file)) -(address file-address-address (file-address)) ; pointer to a pointer -(array board (file-address)) -(address board-address (board)) - -(function read-board [ - (default-space:space-address <- new space:literal 30:literal) - (initial-position:list-address <- init-list R:literal P:literal _:literal _:literal _:literal _:literal p:literal r:literal - N:literal P:literal _:literal _:literal _:literal _:literal p:literal n:literal - B:literal P:literal _:literal _:literal _:literal _:literal p:literal b:literal - Q:literal P:literal _:literal _:literal _:literal _:literal p:literal q:literal - K:literal P:literal _:literal _:literal _:literal _:literal p:literal k:literal - B:literal P:literal _:literal _:literal _:literal _:literal p:literal b:literal - N:literal P:literal _:literal _:literal _:literal _:literal p:literal n:literal - R:literal P:literal _:literal _:literal _:literal _:literal p:literal r:literal) - ; assert(length(initial-position) == 64) - (len:integer <- list-length initial-position:list-address) - (correct-length?:boolean <- equal len:integer 64:literal) - (assert correct-length?:boolean (("chessboard had incorrect size" literal))) - (b:board-address <- new board:literal 8:literal) - (col:integer <- copy 0:literal) - (curr:list-address <- copy initial-position:list-address) - { begin - (done?:boolean <- equal col:integer 8:literal) - (break-if done?:boolean) - (file:file-address-address <- index-address b:board-address/deref col:integer) - (file:file-address-address/deref curr:list-address <- read-file curr:list-address) - (col:integer <- add col:integer 1:literal) - (loop) - } - (reply b:board-address) -]) - -(function read-file [ - (default-space:space-address <- new space:literal 30:literal) - (cursor:list-address <- next-input) - (result:file-address <- new file:literal 8:literal) - (row:integer <- copy 0:literal) - { begin - (done?:boolean <- equal row:integer 8:literal) - (break-if done?:boolean) - (src:tagged-value-address <- list-value-address cursor:list-address) - (dest:square-address <- index-address result:file-address/deref row:integer) - (dest:square-address/deref <- get src:tagged-value-address/deref payload:offset) ; unsafe typecast - (cursor:list-address <- list-next cursor:list-address) - (row:integer <- add row:integer 1:literal) - (loop) - } - (reply result:file-address cursor:list-address) -]) - -(function print-board [ - (default-space:space-address <- new space:literal 30:literal) - (b:board-address <- next-input) - (row:integer <- copy 7:literal) - ; print each row - { begin - (done?:boolean <- less-than row:integer 0:literal) - (break-if done?:boolean) - ; print rank number as a legend - (rank:integer <- add row:integer 1:literal) - (print-primitive rank:integer) - (print-primitive ((" | " literal))) - ; print each square in the row - (col:integer <- copy 0:literal) - { begin - (done?:boolean <- equal col:integer 8:literal) - (break-if done?:boolean) - (f:file-address <- index b:board-address/deref col:integer) - (s:square <- index f:file-address/deref row:integer) - (print-primitive s:square) - (print-primitive ((" " literal))) - (col:integer <- add col:integer 1:literal) - (loop) - } - (row:integer <- subtract row:integer 1:literal) - (cursor-to-next-line) - (loop) - } - ; print file letters as legend - (print-primitive ((" +----------------" literal))) - (cursor-to-next-line) - (print-primitive ((" a b c d e f g h" literal))) - (cursor-to-next-line) -]) - -;; data structure: move -(and-record move [ - from:integer-integer-pair - to:integer-integer-pair -]) - -(address move-address (move)) - -(function read-move [ - (default-space:space-address <- new space:literal 30:literal) - (a:character <- copy ((#\a literal))) - (file-base:integer <- character-to-integer a:character) - (one:character <- copy ((#\1 literal))) - (rank-base:integer <- character-to-integer one:character) - ; get from-file - (c:character <- wait-for-key) - (print-primitive c:character) - { begin - (quit:boolean <- equal c:character ((#\q literal))) - (break-unless quit:boolean) - (reply nil:literal) - } - (from-file:integer <- character-to-integer c:character) - (from-file:integer <- subtract from-file:integer file-base:integer) - ; assert('a' <= from-file <= 'h') - (above-min:boolean <- greater-or-equal from-file:integer 0:literal) - (assert above-min:boolean (("from-file too low" literal))) - (below-max:boolean <- lesser-or-equal from-file:integer 7:literal) - (assert below-max:boolean (("from-file too high" literal))) - ; get from-rank - (c:character <- wait-for-key) - (print-primitive c:character) - (from-rank:integer <- character-to-integer c:character) - (from-rank:integer <- subtract from-rank:integer rank-base:integer) - ; assert('1' <= from-rank <= '8') - (above-min:boolean <- greater-or-equal from-rank:integer 0:literal) - (assert above-min:boolean (("from-rank too low" literal))) - (below-max:boolean <- lesser-or-equal from-rank:integer 7:literal) - (assert below-max:boolean (("from-rank too high" literal))) - ; slurp hyphen - (c:character <- wait-for-key) - (print-primitive c:character) - (hyphen?:boolean <- equal c:character ((#\- literal))) - (assert hyphen?:boolean (("expected hyphen" literal))) - ; get to-file - (c:character <- wait-for-key) - (print-primitive c:character) - (to-file:integer <- character-to-integer c:character) - (to-file:integer <- subtract to-file:integer file-base:integer) - ; assert('a' <= to-file <= 'h') - (above-min:boolean <- greater-or-equal to-file:integer 0:literal) - (assert above-min:boolean (("to-file too low" literal))) - (below-max:boolean <- lesser-or-equal to-file:integer 7:literal) - (assert below-max:boolean (("to-file too high" literal))) - ; get to-rank - (c:character <- wait-for-key) - (print-primitive c:character) - (to-rank:integer <- character-to-integer c:character) - (to-rank:integer <- subtract to-rank:integer rank-base:integer) - ; assert('1' <= to-rank <= '8') - (above-min:boolean <- greater-or-equal to-rank:integer 0:literal) - (assert above-min:boolean (("to-rank too low" literal))) - (below-max:boolean <- lesser-or-equal to-rank:integer 7:literal) - (assert below-max:boolean (("to-rank too high" literal))) - ; construct the move object - (result:move-address <- new move:literal) - (f:integer-integer-pair-address <- get-address result:move-address/deref from:offset) - (dest:integer-address <- get-address f:integer-integer-pair-address/deref 0:offset) - (dest:integer-address/deref <- copy from-file:integer) - (dest:integer-address <- get-address f:integer-integer-pair-address/deref 1:offset) - (dest:integer-address/deref <- copy from-rank:integer) - (t0:integer-integer-pair-address <- get-address result:move-address/deref to:offset) - (dest:integer-address <- get-address t0:integer-integer-pair-address/deref 0:offset) - (dest:integer-address/deref <- copy to-file:integer) - (dest:integer-address <- get-address t0:integer-integer-pair-address/deref 1:offset) - (dest:integer-address/deref <- copy to-rank:integer) - (reply result:move-address) -]) - -(function make-move [ - (default-space:space-address <- new space:literal 30:literal) - (b:board-address <- next-input) - (m:move-address <- next-input) - (x:integer-integer-pair <- get m:move-address/deref from:offset) - (from-file:integer <- get x:integer-integer-pair 0:offset) - (from-rank:integer <- get x:integer-integer-pair 1:offset) - (f:file-address <- index b:board-address/deref from-file:integer) - (src:square-address <- index-address f:file-address/deref from-rank:integer) - (x:integer-integer-pair <- get m:move-address/deref to:offset) - (to-file:integer <- get x:integer-integer-pair 0:offset) - (to-rank:integer <- get x:integer-integer-pair 1:offset) - (f:file-address <- index b:board-address/deref to-file:integer) - (dest:square-address <- index-address f:file-address/deref to-rank:integer) - (dest:square-address/deref <- copy src:square-address/deref) - (src:square-address/deref <- copy _:literal) - (reply b:board-address) -]) - -(function main [ - (default-space:space-address <- new space:literal 30:literal) - (b:board-address <- read-board) - (console-on) - { begin - (clear-screen) - (print-primitive (("Stupid text-mode chessboard. White pieces in uppercase; black pieces in lowercase. No checking for legal moves." literal))) - (cursor-to-next-line) - (cursor-to-next-line) - (print-board b:board-address) - (cursor-to-next-line) - (print-primitive (("Type in your move as <from square>-<to square>. For example: 'a2-a4'. Currently very unforgiving of typos; exactly five letters, no <Enter>, no uppercase." literal))) - (cursor-to-next-line) - (print-primitive (("Hit 'q' to exit." literal))) - (cursor-to-next-line) - (print-primitive (("move: " literal))) - (m:move-address <- read-move) - (break-unless m:move-address) - (b:board-address <- make-move b:board-address m:move-address) - (loop) - } - (cursor-to-next-line) - (console-off) -]) - -; tests todo: -; print board -; accept move -; print move -; board updates on move -; die on invalid move -; 'q' exits -; 'q' exits anywhere in move -; 'q' exits on second move -; -; backspace, ctrl-u |