Jum52 Platform Independant
~~~~~~~~~~~~~~~~~~~~~~~~~~

Code changes file.

17 Mar 2001
*	Added "PAUSE" to msdos.c (key P)

30 Jan 2002
*	Implemented TRIG0 latch in GTIAread(TRIG0) 
*	Implemented "shift key (top side button) pressed" in POKEYread(SKSTAT)
	* Beamrider and Dig Dug control fixed *

1 Feb 2002
*	Fixed missile crap left on screen (Dreadnaught, Frogger)
*	Corrected horizontal offsets with hscroll (frogger, HERO, soccer)

2 Feb 2002
	Added crc32.c to calculate crc32 of images for identification
	Added very basic load/save state (saved as "state").
	F9 to save
	F10 to load

3 Feb 2002
*	Implemented ANTIC mode 3 (at last)

5 Feb 2002
*	Fixed KABOOM! missing PM gfx (bug in non-DMA gfx code)

10 Feb 2002
	Worked on PRIOR and collisions
	Speed test: optimised build with with no throttle runs QIX
	at ~575 fps.
	(Speed test necc to check what effect new PRIOR and COLL code
	will have in the next build).

11 Feb 2002
	Implemented PM/PF PRIORity table.
	- Mountain King torch now fixed.

12 Feb 2002
*	Fixed some age-old bugs in 6502 core - Wizard of Wor now works,
	and Megamania runs better.
	Changed controller code - now more accurate.

17 Feb 2002
*	Consolidated rendering code for similar ANTIC modes.
	Implemented new collision code, using a "collision buffer".
	- collision now accurate, many games run much better.
	Fixed PM/PF offset in normal width with HSCROLL (Jr. Pacman)
	Speed (optimised build): QIX - 385 fps, Frogger - 350 fps
	(33% speed decrease!)

25 Feb 2002
	Compiled with Allegro 4.0
	Modified output to 2x scale in "Normal" mode.
	Speed (optimised build): QIX - 375 fps, Frogger - 334 fps
	- Mountain King torch now broken.

15 Mar 2002
	Fixed bug in priority/collision.
	Fixed mode 2 text (was inverting when it should'nt have).
	Implemented quick "TV mode" scanline display.

19 Mar 2002
*	Implemented KBCODE quirk (bit 5 fluctuates) - Thanks Dan!
	Star Trek now starts.
	Found that Buck Rogers runs if you press fire at the title
	screen (NOT start).
	Implemented "fucked-up-TV" simulation (hehe).

23 August 2002
*	Fixed ANTIC mode 4/5 alt colour switch
	Changed keys for PL1 and PL2
	Use VSS values for Joystick left/centre/right
	Implemented Pengo detect and Pengo joystick mode

