Fulltext results:
- detect_pal_ntsc @base
- ====== Detect NTSC/PAL ====== Since you cannot rely on $02a6 to detect NTSC/PAL, you better do the check yourself. The theory behind these checks is simply that PAL and NTSC systems have different amounts of rasterlines, wh... cmp $d012 beq l2 bmi l1 cmp #$20 bcc ntsc </code> ===== Graham's variant ===== The easies
- chacking17 @magazines
- sembly of the VIC-20 ROMs. o Masters Class: "NTSC/PAL fixing, part I", by Russell Reed <rreed@e... t. In this case, Robin and I set out to learn NTSC/PAL fixing from one of the greats, Decomp/Style. ... of the feature articles in this issue deals with NTSC/PAL fixing. But have you ever thought about SCPU... sync generator is capable of generating video in NTSC (6560) or PAL (6561) formats in 16 colors. The VI
- chacking10 @magazines
- wer. Q $0DC) What is the model number of the US NTSC VIC-II chip? A $0DC) Its first number was 6567, ... are 320*200 "pixels" on both the PAL and NTSC screens. (I probably should have stated this, bu... 0*50 pixels per second = 3200000 pixels/s NTSC draws 320*200*60 pixels per second = 3840000 pixl... = 312 scanlines * 50 = 15600 scanlines/s NTSC = 262 scanlines * 60 = 15720 scanlines/s
- chacking16 @magazines
- is now clear. Side Hacking o "PAL VIC20 goes NTSC", by Timo Raita <vic@iki.fi> and Pasi 'Alb... .tut.fi>. How to turn your PAL VIC20 into an NTSC VIC20. o "Starfields", by S. Judd <sjudd@nwu.ed... C=H </code> ====== Side Hacking: PAL VIC20 Goes NTSC ====== <code> by Timo Raita <vic@iki... o get some of our PAL machines running with these NTSC VIC-I chips. A couple of weeks earlier Richard At
- discovery3 @magazines
- arget audience 1.2 The legal stuff 2. The NTSC Y/C video signal 2.1 A little history ... f sanity, etc. Now, on with the show. 2. The NTSC Y/C video signal ----------------------------- T... 1953, the National Television Systems Committee (NTSC) developed a standard that allowed the transmissi... In the US, public broadcasting (using the color NTSC system) began in 1954. The same system was adopt
- making_stable_raster_routines @base
- aim that their computers comply with the PAL-B or NTSC-M standards. In the following tables I have gath... ormation of some Commodore video chips. <code> NTSC-M systems: Chip Crystal Dot ... 318181 8181818 1022727 65 263 Later NTSC-M video chips were most probably like the 6567R8.... clock is a 14th of the crystal frequency on all NTSC-M systems. PAL-B systems: Chip
- ntsc_pal_differences @base
- ====== NTSC/PAL Differences ====== * Written by Decomp/Style * Published in Domination #13 * Conve... e the countries in the Americas primarily use the NTSC standard. Because of these differences, software... PAL screens are redrawn 50 times a second, while NTSC screens are redrawn 60 timers per second. This u... , as they sound ok when played a bit faster. Some NTSC tunes may seem too slow when played on a European
- discovery2 @magazines
- based on the European/Australian PAL TV standard. NTSC-based Commodore machines require an extra 2 cycle... hics C-64 Contest Winner by Deekay/Crest. It was NTSC/PAL-fixed by the people of the American MegaGroup... L (mostly european) screens have 312 lines, while NTSC (in the USA) screens have 262 lines. We count the... ther 5 secs. CIA's are Disabled as well as NMI's: NTSC. <_dW> Fungus: you must have left out something.
- playing_music_on_pal_and_ntsc @base
- ====== Playing music on PAL and NTSC ====== By FTC/HT This article deals (briefly) with the question of how to play PAL tunes on a NTSC system, and vice versa. Most music players are ca... PAL frame is 312*63=19656 ($4CC8) cycles and one NTSC frame is 263*65=17095 ($42C7) cycles. In addition... t amount of time on a PAL system compared to on a NTSC system because the system clocks run at different
- chacking_toc @magazines
- . Judd's 1st issue) * "**PAL VIC20 goes NTSC**", by Timo Raita and Pasi 'Albert' Ojala. How to turn your PAL VIC20 into an NTSC VIC20. * "**Starfields**", S. Judd. Mak... art of a complete ROM disassembly. * "**NTSC/PAL-fixing, part 1**", Russel Reed, Robin Harbron... * Files: * {{magazines:slowideas-ntsc.gz|slowideas-ntsc.gz}} - NTSC fixed demo * [
- chacking6 @magazines
- re is CLC only when it is absolutely needed. The NTSC version is a bit crippled, it only covers 32 colu... --- Uuencoded C64 executable of the basic loader (NTSC) begin 644 dycp-ntsc.bas M`0@-"`$`4[(T.3$U,@`F"`(`EJ5(*$,ILD.K-#BJ-ZPH0[$V-"D`40@#`$-(? MLC`ZAT$D+$$ZF... All timings are in PAL, principles will apply to NTSC too. Refer to VIC memory map in Hac
- chacking12 @magazines
- 1st 1996. Although the program must run on an NTSC 64, PAL programmers are encouraged to enter. ... k it as "unknown" - demos will be evaluated on NTSC c64. Anything not specifically denied abov... include Coolhand and 2-3 other non-demomaking NTSC demo enthusiasts. There will be categories... r The TED IC is able to generate both PAL and NTSC compatible signals from a single IC. Only the cr
- chacking18 @magazines
- ults and the lessons learned. o Masters Class: "NTSC/PAL fixing: FLI", by Russell Reed <rreed@egyp... om> Last issue we covered the issues involved in NTSC/PAL fixing -- 63 cycles/line versus 65 cycles/lin... ), an IFLI picture (underwater-pal and underwater-ntsc), and some FLI display code. The FLI display code... cycles/line in PAL mode, and 25 cycles/line on an NTSC machine. IFLI is similar, but "interlaces" two F
- chacking5 @magazines
- (All timings are in PAL, principles will apply to NTSC too) You might have heard that it is possible to... use one raster-IRQ position.) I tried to make a NTSC version, but I couldn't get it to synchronize. Th... can't stretch all of the sprites individually in NTSC (with this routine that is..). -----------------... ) free for other activities in a PAL system. In a NTSC system you would have only 50 lines left. A sim
- efficient_tod_initialisation @base
- trary to a very popular and utterly wrong belief, NTSC or PAL video/colour encoding standards are NOT di... used in countries with 60Hz AC (and vice versa - NTSC computers can be run of 50Hz power) but in additi... m the mains power source at all. For example both NTSC and PAL variants of Commodore SX-64 use 60 Hz TOD... $20(c0) and $32(51) bcs pal50 ; we run on NTSC machine with 50Hz TOD clock pal50: ; we run o