Krill's Loader, Repository Version 184

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Krill's Loader, Repository Version 184 [2020]

Released by :
Plush [web]

Release Date :
24 March 2020

Type :
C64 Tool

User rating:

10/10 (14 votes) See votestatistics

Credits :

Code	....	Krill of Plush
Test	....	Dr. Science of Atlantis
		q0w of Atlantis, SNAQZ

Download :

http://csdb.dk/getinternalfile.php/196649/loader-v184.zip (downloads: 818)

https://krill.e2m.io/loader-v184.zip (downloads: 270)

Look for downloads on external sites:
Pokefinder.org

Summary
Submitted by Krill on 24 March 2020

Improvements
------------

- C-128 support, native (including burst transfers) and C-64 mode at 2 MHz
- Slightly increased average speed
- Slightly decreased resident size
- 1581 shadow directory support
- Various bug-fixes, especially concerning stability, multiple drives on the bus, diverse edge cases

Features
--------
- maximum raw loading speed of 7.7 kB/s (~20x) on 1541, typical speed is around
7 kB/s (~18x)
- resident size: $027f bytes for combined load+depack using Bitnax (fits in
$0180..$03fe), $01d0 bytes with tinycrunch (fits in $0200..$03cf), $f3 bytes
load-raw only
- IRQ/NMI/DMA/sprites/badlines are allowed without restrictions
- 2bit+ATN protocol (72 cycles per byte), multiple drives on the bus are
allowed, but loading only from the primary drive
- supported crunchers: Bitnax, Byteboozer2, Doynax-LZ, Exomizer, Levelcrush,
NuCrunch, Pucrunch, Subsizer, tinycrunch
- depacking fully in-place using Bitnax or tinycrunch, no clobbered bytes beyond
unpacked data
- loading files in arbitrary order via directory with 0-terminated filename
strings
- loadnext functionality for sequential loading without specifying subsequent
filenames
- load address override for raw and crunched files
- PAL/NTSC support, NTSC is optional
- returns status codes for error checking and multiple disk handling
- optional loading and decompression to RAM at $d000..$dfff
- optional memory decompression without loading
- optional loading via shadow directory for unrestricted dir-art
- custom drive code API facilitating co-processing on the drive's CPU
- full on-the-fly block GCR read+decode+checksumming
- native interleave at 100% CPU for the loader is 3 revolutions per track on
tracks 18+, 4 on tracks 1-17
- implements Shrydar stepping for minimised seek time to an adjacent track
- free relocation of install routine, resident portion and zeropage variables

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