Vince Weaver
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889515f2c5
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snes: missiles die when off end of screen
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2013-01-30 01:29:14 -05:00 |
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Vince Weaver
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131b79cabf
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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.
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2013-01-30 01:16:17 -05:00 |
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Vince Weaver
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b35021a073
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snes: more work on missile sprite movement
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2013-01-29 17:05:01 -05:00 |
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Vince Weaver
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72ea76cfa9
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snes: missile firing is getting there
at least when you press 'A' a missile appears
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2013-01-26 00:25:12 -05:00 |
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Vince Weaver
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8234ea622d
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snes: have traditional TB1 left/right motion working
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2013-01-25 23:42:46 -05:00 |
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Vince Weaver
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4b90003796
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snes: comment out most of the 6502 engine
will gradually add it back in
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2013-01-25 23:01:31 -05:00 |
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Vince Weaver
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bd21fcabaf
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snes: merge in game engine from Apple II port
we'll see how that goes
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2013-01-25 21:53:50 -05:00 |
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Vince Weaver
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e9aa81ccda
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snes: make star scrolling wrap properly
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2013-01-25 17:37:24 -05:00 |
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Vince Weaver
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0ee9573daa
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snes: have level_1 load the star background
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2013-01-25 17:21:10 -05:00 |
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Vince Weaver
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60997734cb
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snes: make pcx_to_compressed_tilemap take palette argument
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2013-01-25 17:20:47 -05:00 |
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Vince Weaver
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81e592bd31
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snes: star background
add star background graphic.
I'm not sure if I like how it turned out, but it will do for now.
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2013-01-25 17:20:17 -05:00 |
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Vince Weaver
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6d9412fdae
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snes: can now move ship left/right
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2013-01-25 00:38:08 -05:00 |
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Vince Weaver
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db9e66cc86
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snes: add wait_until_keypressed routine
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2013-01-24 23:18:08 -05:00 |
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Vince Weaver
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4bba2a0fd5
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snes: display rudimentary level 1
also fix some issues with opening and fading and title screen
zsnes hides a multitude of sins
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2013-01-24 00:04:24 -05:00 |
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Vince Weaver
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355b4cc539
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snes: add fade in/fade out routines
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2013-01-23 16:09:18 -05:00 |
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Vince Weaver
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16fd44d0ae
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snes: cleanup the opening screen code a bit
Some other misc minor cleanups.
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2013-01-23 12:00:55 -05:00 |
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Vince Weaver
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4941aa8cc9
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snes: use common DMA loading routines
This makes loading the compressed tilemaps a bit more streamlined.
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2013-01-22 17:40:04 -05:00 |
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Vince Weaver
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011aeb54cc
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snes: added generic palette load function
Uses DMA
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2013-01-22 16:23:11 -05:00 |
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Vince Weaver
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f217ef0d41
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snes: make opening logo compressed
had to make the image full-screen width again
this makes the display not work right, known problem
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2013-01-22 16:22:26 -05:00 |
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Vince Weaver
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d798e031eb
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snes: make pcx_to_compressed_tilemap_8bpp.c generic
It should now work for 4bpp tiles too
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2013-01-22 15:30:19 -05:00 |
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Vince Weaver
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7e6e1203a2
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snes: add level1 background graphic
still not sure I like everything about it
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2013-01-22 11:37:50 -05:00 |
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Vince Weaver
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dbaf404ec3
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snes: rename tb_snes to tb1_snes
I kept typing it wrong anyway, and hey, git makes rename easy
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2013-01-22 09:53:01 -05:00 |
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Vince Weaver
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b08cd34114
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snes: implement compressed tilemap tool
This reduced the title screen from 896 tiles to 478 tiles
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2013-01-21 16:08:13 -05:00 |
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Vince Weaver
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a064de86c9
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snes: Use compressed tilemap for title
This actually makes the executable bigger for now, as
it's not actually compressing yet.
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2013-01-21 15:23:24 -05:00 |
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Vince Weaver
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75fccd3ce8
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snes: add tools for generating "compressed" tilemaps
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2013-01-21 15:15:42 -05:00 |
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Vince Weaver
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e0208e2ad1
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snes: re-add title screen back in
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2013-01-21 15:15:11 -05:00 |
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Vince Weaver
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b9dda3dbce
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snes: sprite displaying properly!
Looks nice
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2013-01-21 13:54:50 -05:00 |
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Vince Weaver
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5d8a70dc96
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snes: pcx_to_tiles_4bpp
forgot to actually add the command-line parsing code
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2013-01-21 13:17:00 -05:00 |
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Vince Weaver
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8e77643bb4
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snes: pcx_to_tiles_4bpp
clean up code, add command line argument for label name
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2013-01-21 13:12:53 -05:00 |
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Vince Weaver
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2687dfe6a2
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snes: remove pcx_to_sprite tool
We'll just use the pcx to 4bpp tile tool instead
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2013-01-21 13:04:58 -05:00 |
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Vince Weaver
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b77a08de38
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snes: fix sprite copy routine
urgh the 8/16 bit rep/sep strikes again
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2013-01-21 12:05:57 -05:00 |
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Vince Weaver
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50596ea3b4
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snes: Start adding some sprite code
This includes some common sprite clearing code in svmwgraph
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2013-01-21 11:49:17 -05:00 |
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Vince Weaver
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44d5009a61
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snes: have both opening screen and title screen come up
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2013-01-19 02:09:55 -05:00 |
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Vince Weaver
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53609b2226
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snes: opening has right colors
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2013-01-19 01:58:58 -05:00 |
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Vince Weaver
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2c190bd88c
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snes: have opening splash partially implemented
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2013-01-19 00:20:13 -05:00 |
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Vince Weaver
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aedf6ea385
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snes: initial work toward opening screen
also some work on the sprites. Sad to reduce the nice 256 color
sprites to 16-color
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2013-01-18 23:40:56 -05:00 |
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Vince Weaver
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d7882d311b
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snes: make pcx_to_tiles_8bpp take argument
Now it takes a parameter for the label names
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2013-01-17 21:46:29 -05:00 |
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Vince Weaver
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3ecc15c4a0
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snes: Move title_screen out to a module
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2013-01-17 21:37:27 -05:00 |
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Vince Weaver
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80dc74f5d9
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snes: use mode 3 for title screen
For some reason was using mode 4, but that has crazy offset mode
which was doing weird things on some of the emulators.
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2013-01-16 22:56:34 -05:00 |
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Vince Weaver
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78c0113545
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snes: checksum working
Finally got the checksum working. I had the checksum/complement
fields reversed somehow.
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2013-01-16 21:49:25 -05:00 |
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Vince Weaver
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b25ca3382a
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snes: try to get checksum valid
It's not working for reasons I don't understand.
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2013-01-16 17:36:23 -05:00 |
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Vince Weaver
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33c9828283
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snes: add in snes tools
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2013-01-16 16:44:45 -05:00 |
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Vince Weaver
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3f8081a6b0
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snes: Prints title screen!
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2013-01-16 16:40:38 -05:00 |
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Vince Weaver
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a5e18f88d7
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snes: proper hirom linker script?
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2013-01-16 16:32:28 -05:00 |
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Vince Weaver
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9522c3f533
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snes: updates to link script
More research turns up that the ROM is loaded to 40:0000 in HiROM mode,
and only mirrored in C0:0000
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2013-01-16 15:18:22 -05:00 |
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Vince Weaver
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8d2a716d3f
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snes: increase ROM size
Our image is to long to fit in a small ROM. Attempt to adjust the
linker script to make a longer ROM
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2013-01-16 14:10:13 -05:00 |
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Vince Weaver
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fe3dddef8e
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snes: Initial checkin
Doesn't do anything, but it does assemble
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2013-01-16 13:22:25 -05:00 |
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Vince Weaver
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f8f625390f
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snes: add resized title screen
Had to modify for 4:3 aspect ratio from previous 8:5. Mostly looks OK.
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2013-01-16 13:14:05 -05:00 |
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Vince Weaver
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15a8713aad
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Add README to base of repository
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2012-12-18 21:55:07 -05:00 |
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Vince Weaver
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ae1a96f943
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Placeholder for coming-soon Tom Bombem SNES
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2012-12-18 21:53:04 -05:00 |
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