funkheld Posted January 24, 2012 Share Posted January 24, 2012 (edited) Graphics with XFORTH: PLOT, LINE, DRAW. And a circle with SINE and COSINE. HEX 00 VARIABLE DLIST -2 ALLOT 70 C, 70 C, 70 C, 4D C, 9060 , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D0D , 0D C, 42 C, BF60 , 0202 , 02 , 41 C, DLIST , DECIMAL 00 VARIABLE SINUSTABELLE -2 ALLOT 0000 , 0175 , 0349 , 0523 , 0698 , 0872 , 1045 , 1219 , 1392 , 1564 , 1736 , 1908 , 2079 , 2250 , 2419 , 2588 , 2756 , 2924 , 3090 , 3256 , 3420 , 3584 , 3746 , 3907 , 4067 , 4226 , 4384 , 4540 , 4695 , 4848 , 5000 , 5150 , 5299 , 5446 , 5592 , 5736 , 5878 , 6018 , 6157 , 6293 , 6428 , 6561 , 6691 , 6820 , 6947 , 7071 , 7193 , 7314 , 7431 , 7547 , 7660 , 7771 , 7880 , 7986 , 8090 , 8192 , 8290 , 8387 , 8480 , 8572 , 8660 , 8746 , 8829 , 8910 , 8988 , 9063 , 9135 , 9205 , 9272 , 9336 , 9397 , 9455 , 9511 , 9563 , 9613 , 9659 , 9703 , 9744 , 9781 , 9816 , 9848 , 9877 , 9903 , 9925 , 9945 , 9962 , 9976 , 9986 , 9994 , 9998 , 10000 , HEX 230 CONSTANT SDLSTL 9060 CONSTANT SCREEN0 02C4 CONSTANT COLOR0 02C5 CONSTANT COLOR1 02C6 CONSTANT COLOR2 02C8 CONSTANT COLOR4 00 VARIABLE COL 00 VARIABLE CO0 00 VARIABLE CO1 00 VARIABLE CO2 00 VARIABLE CO3 00 VARIABLE X 00 VARIABLE Y 00 VARIABLE X0 00 VARIABLE Y0 00 VARIABLE X1 00 VARIABLE Y1 00 VARIABLE X2 00 VARIABLE Y2 00 VARIABLE DX 00 VARIABLE DY 00 VARIABLE SX 00 VARIABLE SY 00 VARIABLE ERR 00 VARIABLE E2 00 VARIABLE FAMIX 00 VARIABLE ZW DECIMAL : SINUS@ 2 * SINUSTABELLE + @ ; : SIN ( GRAD -- SINUS ) DUP 0< >R ABS 360 MOD DUP 180 > IF 180 - -1 >R ELSE 0 >R THEN DUP 90 > IF 180 SWAP - THEN SINUS@ R> IF -1 * THEN R> IF -1 * THEN ; : COS 90 + SIN ; HEX : GCLS SCREEN0 C80 0 FILL ; : COLOR DUP 0 = IF 0 CO0 ! 0 CO1 ! 0 CO2 ! 0 CO3 ! THEN DUP 1 = IF 40 CO0 ! 10 CO1 ! 4 CO2 ! 1 CO3 ! THEN DUP 2 = IF 80 CO0 ! 20 CO1 ! 8 CO2 ! 2 CO3 ! THEN 3 = IF C0 CO0 ! 30 CO1 ! C CO2 ! 3 CO3 ! THEN ; : PLOT SWAP 4 /MOD 2 PICK DUP 0 = IF CO0 @ COL ! THEN DUP 1 = IF CO1 @ COL ! THEN DUP 2 = IF CO2 @ COL ! THEN 3 = IF CO3 @ COL ! THEN FAMIX C@ 1 = IF SCREEN0 + SWAP DROP SWAP 28 * + DUP @ COL @ AND SWAP ! THEN FAMIX C@ 2 = IF SCREEN0 + SWAP DROP SWAP 28 * + DUP @ COL @ OR SWAP ! THEN FAMIX C@ 3 = IF SCREEN0 + SWAP DROP SWAP 28 * + DUP @ COL @ XOR SWAP ! THEN ; : LINIE Y1 ! X1 ! Y0 ! X0 ! X1 @ X2 ! Y1 @ Y2 ! X1 @ X0 @ - ABS DX ! X0 @ X1 @ < IF 1 SX ! Y1 @ Y0 @ - ABS -1 * DY ! ELSE -1 SX ! Y1 @ Y0 @ - ABS -1 * DY ! THEN Y0 @ Y1 @ < IF 1 SY ! DX @ DY @ + ERR ! ELSE -1 SY ! DX @ DY @ + ERR ! THEN X0 @ Y0 @ PLOT BEGIN X0 @ X1 @ = Y0 @ Y1 @ = AND 0 = WHILE 2 ERR @ * E2 ! E2 @ DY @ > IF ERR @ DY @ + ERR ! X0 @ SX @ + X0 ! THEN E2 @ DX @ < IF ERR @ DX @ + ERR ! Y0 @ SY @ + Y0 ! THEN X0 @ Y0 @ PLOT REPEAT ; : DRAW Y1 ! X1 ! X0 @ Y0 @ X1 @ Y1 @ LINIE ; DECIMAL : KREIS 360 0 DO I SIN 32 10000 */ X ! I COS 32 10000 */ Y ! 80 40 X @ 80 + Y @ 40 + LINIE 10 +LOOP ; HEX : INIT 0C COLOR4 C! 94 COLOR2 C! DLIST SDLSTL ! 4 2BF C! 2 COLOR 2 FAMIX C! ; Edited January 24, 2012 by funkheld Quote Link to comment Share on other sites More sharing options...
funkheld Posted January 25, 2012 Author Share Posted January 25, 2012 Sinus-Cosinus Quote Link to comment Share on other sites More sharing options...
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