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25 X Turbo   [1986]

25 X Turbo Released by :
Bitkillersoft Odenwald

Release Date :
1986

Type :
C64 Tool

Properties: Import

AKA :
30 X Turbo

User rating:awaiting 8 votes (8 left)

Credits :
Code .... Oliver Stiller of Masters' Design Group
Import .... BKS Odenwald of Bitkillersoft Odenwald

Download :

Look for downloads on external sites:
 Pokefinder.org


User Comment
Submitted by KAL_123 on 9 September 2022
Now we know it for sure, but i thought before, that this fastloader will not really do 25x speed :) Also funny, that the AKA name is "30 X Turbo" here, when the normal name is "25 X Turbo". Why not giving "80 X Turbo" or "100 X Turbo" as AKA name, sounds even better than 30 X? *lol* No matter, the 12x speed is not bad, for a loader from 1986.
User Comment
Submitted by DeeKay on 8 September 2022
Okay, I measured again with the PRG mounted on Pi1541 into a temporary .d64 and the results are vastly different: I'm measuring 10.5s with 25x Turbo and 130.8s with stock loading.
This gives us a 12.6x speedup (19.4 blocks/s or 4.9kb/s) for 25x Turbo, so it's pretty much exactly half as fast as advertised! ;-)
User Comment
Submitted by DeeKay on 7 September 2022
I just looked around on the webby web for real drive measurements, and found somewhere a much higher time of 127s for 202 blocks using a stock loader, which would give this more of a 10,8x speedup. I did load One-Der without speeder in SD2IEC mode, so that may skew the results, I shall try again in full compatibility mode..
User Comment
Submitted by DeeKay on 7 September 2022
Based upon my suggestion, TSM integrated this loader into FB64 so Pi1541 users can finally load fast also without alternate DOSses or cartridges. According to my measurements the speedup (at least on Pi1541) is actually 7.5x (11.8s instead of 88.5s for 202 blocks of One-Der, or 17.1blocks/s or 4.4kb/s), i.e. less than a third of what's advertised. It's fast, but not as fast as other loaders, i.e. the Retro Replay software speeder gives me factor 9.3x..

Also, I don't know what the loadable memory range is, but it's not "up to $e000" as claimed by tlr. The 218 block Krestage 1 main file that goes up to $DFF0 won't load, but 202 blocks of One-Der do...
User Comment
Submitted by tlr on 20 September 2006
According to Graham this is a text changed version of Olivier Stiller's Most Access II. Supposedly used on the original disk of Amica paint.
Most Access II+ looks completely different though.

Discussion: Release id #40365 : 25 x Turbo
User Comment
Submitted by TWR on 20 September 2006
Yes, that's fast. ;-D
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CSDb (Commodore 64 Scene Database) is a website which goal is to gather as much information and material about the scene around the commodore 64 computer - the worlds most popular home computer throughout time. Here you can find almost anything which was ever made for the commodore 64, and more is being added every day. As this website is scene related, you can mostly find demos, music and graphics made by the people who made the scene (the sceners), but you can also find a lot of the old classic games here. Try out the search box in the top right corner, or check out the CSDb main page for the latest additions.
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