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Author SHA1 Message Date
Vince Weaver
99ac466fce add note on tb1 CDROM availability 2024-01-23 21:29:14 -05:00
Vince Weaver
78c92961dc tb1_linux: compile warning free on modern compiler 
also unwisely mix in some "fromdos" conversions and some other
whitespace fixes
 2019-09-01 23:50:31 -04:00
Vince Weaver
f0fc207ce7 tb_asm: update to compile on x86_64 systems 
sstrip won't happen though
 2014-12-01 14:21:28 -05:00
Vince Weaver
4acb1d16c8 snes: better enemy movement 2013-02-06 01:18:55 -05:00
Vince Weaver
da4593e688 snes: enemies are moving! 
problem was I was letting cc65 place the BSS and it was sticking
it at $2000 which is reserved for PPU registers
 2013-02-06 01:11:03 -05:00
Vince Weaver
58178b95cd snes: use Y*4 in many cases instead of Y 
this in theory trades off lots of shifting for a few increments
it does make the code a bit more confusing
 2013-02-06 00:32:06 -05:00
Vince Weaver
a6a8904c1c snes: another step closer to moving enemies 2013-02-05 23:31:53 -05:00
Vince Weaver
b99f48b7d5 snes: finish init enemies 
in theory they are all set up now.
Next to get them moving
 2013-02-05 16:48:29 -05:00
Vince Weaver
5d0d665f1f snes: now iterate all enemies at creation 2013-02-05 16:24:10 -05:00
Vince Weaver
41c2eef853 snes: finish commenting svmwgraph code 2013-02-05 16:16:43 -05:00
Vince Weaver
5e938abc53 snes: make activate sprite 16-bit accumulator clean 
now things are working again
 2013-02-05 16:13:35 -05:00
Vince Weaver
b61b08fa60 snes: validate all rep/sep setting register size 
URGH I hate how they did this, and it would be nicer if it
had a better mnemonic.  I guess I could redefine myself.

anyway all of them should be proper now
 2013-02-05 16:07:02 -05:00
Vince Weaver
5f10b61fa8 snes: attempt to fix issue when top of B/A is not zero 
Still not working
 2013-02-05 15:56:47 -05:00
Vince Weaver
0711e7fffd snes: work on enemies some more 
in theory now we are selecting one of 8 types
 2013-02-05 15:25:32 -05:00
Vince Weaver
ef8a171a8b snes: actually use enemy sprites for the enemy 
the enemy still doesn't move
 2013-01-31 16:30:23 -05:00
Vince Weaver
05c7b4b101 snes: add more enemy sprites 
so we can use them as actual enemies
 2013-01-31 16:17:41 -05:00
Vince Weaver
4cf2b11b4a snes: start of activating enemy code 
they sort of appear in the corner, using existing sprites
 2013-01-30 22:30:02 -05:00
Vince Weaver
889515f2c5 snes: missiles die when off end of screen 2013-01-30 01:29:14 -05:00
Vince Weaver
131b79cabf snes: firing missiles sort of works 
they wrap around top of screen so you can never fire more than 2 total.
It's a start though.
 2013-01-30 01:16:17 -05:00
Vince Weaver
b35021a073 snes: more work on missile sprite movement 2013-01-29 17:05:01 -05:00
Vince Weaver
72ea76cfa9 snes: missile firing is getting there 
at least when you press 'A' a missile appears
 2013-01-26 00:25:12 -05:00
Vince Weaver
8234ea622d snes: have traditional TB1 left/right motion working 2013-01-25 23:42:46 -05:00
Vince Weaver
4b90003796 snes: comment out most of the 6502 engine 
will gradually add it back in
 2013-01-25 23:01:31 -05:00
Vince Weaver
bd21fcabaf snes: merge in game engine from Apple II port 
we'll see how that goes
 2013-01-25 21:53:50 -05:00
Vince Weaver
e9aa81ccda snes: make star scrolling wrap properly 2013-01-25 17:37:24 -05:00
Vince Weaver
0ee9573daa snes: have level_1 load the star background 2013-01-25 17:21:10 -05:00
Vince Weaver
60997734cb snes: make pcx_to_compressed_tilemap take palette argument 2013-01-25 17:20:47 -05:00
Vince Weaver
81e592bd31 snes: star background 
add star background graphic.
I'm not sure if I like how it turned out, but it will do for now.
 2013-01-25 17:20:17 -05:00
Vince Weaver
6d9412fdae snes: can now move ship left/right 2013-01-25 00:38:08 -05:00
Vince Weaver
db9e66cc86 snes: add wait_until_keypressed routine 2013-01-24 23:18:08 -05:00
Vince Weaver
4bba2a0fd5 snes: display rudimentary level 1 
also fix some issues with opening and fading and title screen
zsnes hides a multitude of sins
 2013-01-24 00:04:24 -05:00
Vince Weaver
355b4cc539 snes: add fade in/fade out routines 2013-01-23 16:09:18 -05:00
Vince Weaver
16fd44d0ae snes: cleanup the opening screen code a bit 
Some other misc minor cleanups.
 2013-01-23 12:00:55 -05:00
Vince Weaver
4941aa8cc9 snes: use common DMA loading routines 
This makes loading the compressed tilemaps a bit more streamlined.
 2013-01-22 17:40:04 -05:00
Vince Weaver
011aeb54cc snes: added generic palette load function 
Uses DMA
 2013-01-22 16:23:11 -05:00
Vince Weaver
f217ef0d41 snes: make opening logo compressed 
had to make the image full-screen width again
this makes the display not work right, known problem
 2013-01-22 16:22:26 -05:00
Vince Weaver
d798e031eb snes: make pcx_to_compressed_tilemap_8bpp.c generic 
It should now work for 4bpp tiles too
 2013-01-22 15:30:19 -05:00
Vince Weaver
7e6e1203a2 snes: add level1 background graphic 
still not sure I like everything about it
 2013-01-22 11:37:50 -05:00
Vince Weaver
dbaf404ec3 snes: rename tb_snes to tb1_snes 
I kept typing it wrong anyway, and hey, git makes rename easy
 2013-01-22 09:53:01 -05:00
Vince Weaver
b08cd34114 snes: implement compressed tilemap tool 
This reduced the title screen from 896 tiles to 478 tiles
 2013-01-21 16:08:13 -05:00
Vince Weaver
a064de86c9 snes: Use compressed tilemap for title 
This actually makes the executable bigger for now, as
it's not actually compressing yet.
 2013-01-21 15:23:24 -05:00
Vince Weaver
75fccd3ce8 snes: add tools for generating "compressed" tilemaps 2013-01-21 15:15:42 -05:00
Vince Weaver
e0208e2ad1 snes: re-add title screen back in 2013-01-21 15:15:11 -05:00
Vince Weaver
b9dda3dbce snes: sprite displaying properly! 
Looks nice
 2013-01-21 13:54:50 -05:00
Vince Weaver
5d8a70dc96 snes: pcx_to_tiles_4bpp 
forgot to actually add the command-line parsing code
 2013-01-21 13:17:00 -05:00
Vince Weaver
8e77643bb4 snes: pcx_to_tiles_4bpp 
clean up code, add command line argument for label name
 2013-01-21 13:12:53 -05:00
Vince Weaver
2687dfe6a2 snes: remove pcx_to_sprite tool 
We'll just use the pcx to 4bpp tile tool instead
 2013-01-21 13:04:58 -05:00
Vince Weaver
b77a08de38 snes: fix sprite copy routine 
urgh the 8/16 bit rep/sep strikes again
 2013-01-21 12:05:57 -05:00
Vince Weaver
50596ea3b4 snes: Start adding some sprite code 
This includes some common sprite clearing code in svmwgraph
 2013-01-21 11:49:17 -05:00
Vince Weaver
44d5009a61 snes: have both opening screen and title screen come up 2013-01-19 02:09:55 -05:00