dos33fsprogs

mirror of https://github.com/deater/dos33fsprogs.git synced 2024-10-05 01:54:56 +00:00

History

Vince Weaver 9fc6a83daf mode7: add some more ship sprites		2018-03-17 01:02:19 -04:00
..
music
a2.scrolltext
checkerboard_lookup.s
credits.s	mode7_demo: more credits work	2018-03-04 23:47:55 -05:00
deater.scrolltext
interrupt_handler.s	mode7: have some music playing...	2018-03-13 13:19:13 -04:00
island_lookup.s
island_map.inc
Makefile	mode7: have some music playing...	2018-03-13 13:19:13 -04:00
mode7_decompress.s
mode7_demo_backgrounds.inc
mode7_demo.dsk
mode7_demo.s	mode7: more work on starfield	2018-03-15 08:08:05 -04:00
mode7.s
out.krg	mode7: continue re-arranging memory map	2018-03-13 10:44:18 -04:00
rasterbars.s
README.mode7_demo	mode7_demo: move graphics lower so room for sound	2018-03-13 00:59:54 -04:00
sprites.inc	mode7: add some more ship sprites	2018-03-17 01:02:19 -04:00
starfield_demo.s	mode7: add some more ship sprites	2018-03-17 01:02:19 -04:00
starry_sky.scroll
TODO	mode7: more work on starfield	2018-03-15 08:08:05 -04:00
vmw_logo.inc
zp.inc	mode7: more work on starfield	2018-03-15 08:08:05 -04:00

README.mode7_demo

Plan:
	Load at $1000
	Decompress to $2000

Memory Map
==========

(not to scale)

 --------  $ffff
| ROM/IO |
 --------  $c000
|        |      32k decompress
 --------  $4000
|  load  |      8k
 --------  $2000
|  free  |
 --------  $1c00
| Scroll |
|  Data  |
 --------  $1800
|Multiply|
| Tables |	
 --------  $1000
|GR pg 2 |	1k
|--------  $0c00
|GR pg 1 |	1k
|--------  $0800
|GR pg 0 |	1k
 --------  $0400
|        |	0.5
 --------  $0200
| stack  |	0.25
 --------  $0100
|zero pg |	0.25
 -------   $0000