How does that work, since the CPU runs at a lower clock speed on PAL consoles. I don't think there's any ability to change the clock speed without hardware modding?
Only thing different is crystal and multiplier select if pin is high/low,
64brew
By the way, I wonder why people say that about ntsc games on pal N64...
Maybe it's because on 99% of the pal consoles, such as PSX, output in ntsc mode it is slower.
But it's not the case.
(CRYSTAL * MULTIPLIER) / 5 = VIDEO CLOCK
note: colorburst carrier is made by crystal / 4, so yes encoding is fixed.
NTSC
14,31818182
CRYSTAL
High
PIN = 17
MULTIPLIER
(14,31818182*17)/5=48,68181818
VIDEO CLOCK
PAL
17,734475
CRYSTAL
Low
PIN = 14
MULTIPLIER
(17,734475*14)/5=49,65653
VIDEO CLOCK
No, the CPU and RSP clocks are the same on both consoles. The refresh rate is just changed in software. See, for example:
https://github.com/zeldaret/oot/blo...c0432298d593/src/libultra/io/vimodentschaf1.c
Let's look at skawo's link. Take note of HSYNC.
With this information we can do this calculation, copied from
here.
VIDEO CLOCK=REFRESH*L*(HSYNC+1)
ntsc mode L can be 263p or 525i (so 262,5p)
so on pal console we do this:
49656530=x*263*3094 --> x = 61,02Hz
most title are low rez so it should be enough for proof;
if you don't care for crazy math just borrow ossc and you'll see 61.02 on the screen;
and I'm too lazy to bother calculating interlaced mode, but by logic it should be around 61,10 - 61,20 hz.
Refresh rate is even higher than 60hz. That is the reason many digital TVs freak out and roll vs. the majority of CRT that don't give a fuck as long it is in their tolerance, see arcade boards and all their non-standard sync rates.
Also, in some TVs (mostly samsungs) there are encoding issues with composite even if the screen doesn't roll...
Many thanks Nintendo for not offering RGB scart output!
Fun fact: once I found a tv that can be tricked into accepting 61hz signal with a composite switchbox: connect correct 59.94hz source such as ps2, start ntsc n64 game, then push switch button - screen doesn't roll.
Same TV had issues with low resolution DVI or even 70hz VGA for computers, so it got sold.
