#640

The Bresenham algorithm

DrWatson's profile picture
Published in 
 · 10 Nov 2023
... bpl.s .ok2 ; | value of the difference neg.w d3 ; \ between Y1 and Y2 .ok2 cmp.w d2,d3 bhi.s .ver * Part for dX > dY cmp.w d0,d4 ; / Get the bhs.s .do2 ; | heighest exg d0,d4 ; | X and Y exg d1,d5 ; \ in d4.w and d5.w .do2 moveq #10,d2 ; \put #640 lsl.l #6,d2 ; /in d2.l (bytes in scanline) sub.w d0,d4 sub.w d1,d5 add.l d0,d0 adda.l d0,a0 mulu.w d2,d1 adda.l d1,a0 tst.w d5 bpl.s .shit neg.w d5 ; / make the neg.l d2 ; | dX absolute .shit swap d5 ; | and negate the scanline- addq.w #1,d4 ...

Poor Richard 34

eZine's profile picture
Published in 
 · 13 Feb 2023
... Site hit the best seller list at Amazon for a short while, too, and became the most widely reviewed and praised title in computer-book history. All based on Internet marketing. As for Poor Richard's E-mail Publishing, it soared from a ranking of #640,000 at Amazon.com to #43 weeks before it was even in print, after Chris Pirillo mentioned the book in his newsletter. This Internet marketing thing really does work! So, if you've been thinking of getting a copy of the book, I suggest you do so ...

Telematicus Volume 03 Numero 09

eZine's profile picture
Published in 
 · 1 Jan 2021
... ritte da due miei point quando ho comunicato loro che l'iniziativa aveva termine. ============================================================================ - USER_PUB (2:333/511.20000) -------------------------------------- USER_PUB Msg : #640 [557] - 619 + 644 From : Francesco Pittoni 2:333/511.40 Tue 10 Aug 93 22:26 To : Federico Ragnelli Thu 12 Aug 93 10:48 Subj : Un Modem Per L'Hoste :-) ---------------------------------------------------------------------------- 10 Agosto 199 ...

HARDWARE/SYNC-SCROLLER BY THE ONE OF VECTOR/PHALANX

atari's profile picture
Published in 
 · 18 Dec 2020
HARDWARE/SYNC-SCROLLER BY THE ONE OF VECTOR/PHALANX
... 60,D7 MOVE.L D7,TEMP MOVE.B TEMP+1,$FFFF8201.W MOVE.B TEMP+2,$FFFF8203.W MOVE.B TEMP+3,$FFFF820D.W ; USE THE BUILT-IN HARDWARESCROLLER BRA A_STE NO_STE MOVE.W SR,TEMP_SR ; SAVE SR MOVE.W #$2700,SR ; NO INTERRUPTS DURING CALCULATION MOVEQ #0,D0 SUB.L #640,D7 MOVE.B D7,D0 LEA HARDTABLE,A0 ADD.W D0,D0 ADD.W D0,D0 ADD.W D0,A0 MOVE.L (A0)+,D0 SUB.L D0,D7 MOVE.L D7,TEMP MOVE.B TEMP+1,$FFFF8201.W MOVE.B TEMP+2,$FFFF8203.W MOVE.L (A0),OFFSET MOVE.W TEMP_SR,SR ; RESET SR A_STE: MOVEM.L (SP)+,D0/D7/A0 ...

Hackers Issue 07

eZine's profile picture
Published in 
 · 2 Jul 2020
... 0633 #633 Tx 889.02 Rx 844.02 Chan 0634 #634 Tx 889.05 Rx 844.05 Chan 0635 #635 Tx 889.08 Rx 844.08 Chan 0636 #636 Tx 889.11 Rx 844.11 Chan 0637 #637 Tx 889.14 Rx 844.14 Chan 0638 #638 Tx 889.17 Rx 844.17 Chan 0639 #639 Tx 889.20 Rx 844.20 Chan 0640 #640 Tx 889.23 Rx 844.23 Chan 0641 #641 Tx 889.26 Rx 844.26 Chan 0642 #642 Tx 889.29 Rx 844.29 Chan 0643 #643 Tx 889.32 Rx 844.32 Chan 0644 #644 Tx 889.35 Rx 844.35 Chan 0645 #645 Tx 889.38 Rx 844.38 Chan 0646 #646 Tx 889.41 Rx 844.41 Chan 0647 #647 Tx 8 ...
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