Search found 473 matches

by akuyou
Sun Sep 01, 2019 9:16 pm
Forum: Amiga Assembly Programming
Topic: Lesson P17 - Palette Definitions on the Amiga
Replies: 0
Views: 4449

Lesson P17 - Palette Definitions on the Amiga



http://www.chibiakumas.com/68000/platfo ... #LessonP17

The Amiga uses up to 32 colors onscreen, and each color is defined by a 4 bit per channel definition... The Amiga Palette definitions are contained in the Copperlist
Lets learn how to make changes to the colors!
by akuyou
Sun Sep 01, 2019 9:14 pm
Forum: Genesis / Megadrive Programming
Topic: Lesson P16 - Palette Definitions on the Genesis
Replies: 0
Views: 4281

Lesson P16 - Palette Definitions on the Genesis



http://www.chibiakumas.com/68000/platfo ... #LessonP16

The Genesis uses 3 bits per color channel, while more limited than systems like the SNES, this is still perfectly adequate for most purposes,

The Genesis can have up to 4 palettes of 16 colors each.
by akuyou
Sun Sep 01, 2019 9:12 pm
Forum: NeoGeo Assembly Programming
Topic: Lesson P15 - Palette Definitions on the NeoGeo
Replies: 0
Views: 4459

Lesson P15 - Palette Definitions on the NeoGeo



http://www.chibiakumas.com/68000/platfo ... #LessonP15

The NeoGeo uses 5 bits per channel, has 16 colors per palette, and up to 256 palettes!

Lets learn how to set the colors on the Neo Geo!
by akuyou
Sun Sep 01, 2019 9:09 pm
Forum: Atari ST Assembly Programming
Topic: Lesson P14 - Palette definitions on the Atari ST
Replies: 0
Views: 7288

Lesson P14 - Palette definitions on the Atari ST



http://www.chibiakumas.com/68000/platfo ... #LessonP14

While later versions may have had better color, the basic Atari uses 3 bits per channel, Lets learn how to set the colors with our palette
by akuyou
Sun Sep 01, 2019 9:07 pm
Forum: X68000 Assembly Programming
Topic: Lesson P13 - Palette definitions on the X68000
Replies: 0
Views: 4470

Lesson P13 - Palette definitions on the X68000

https://youtu.be/UNi03ncGwsA http://www.chibiakumas.com/68000/platform2.php#LessonP13 The x68000 has a great palette, using 15 bits per color!... We just need to write to the correct memory address... In these tutorials we use a common format on all platforms, which is one nibble per channel, we ju...
by akuyou
Sun Sep 01, 2019 8:00 am
Forum: PDP-11 Assembly Programming
Topic: PDP-11
Replies: 24
Views: 27012

Re: PDP-11

I've now had some success with the pdpy11 assembler, and got some simple code running on E11

https://github.com/imachug/pdpy11
by akuyou
Fri Aug 23, 2019 11:28 pm
Forum: Show and Tell
Topic: A short message
Replies: 2
Views: 4681

Re: A short message

Heh!, very good!

I understand your comments on bitplanes, The pixel layout of the AtariST seems especially weird if you ask me.

I will now listen to some tracks on your soundcloud!
by akuyou
Tue Aug 20, 2019 11:12 pm
Forum: PDP-11 Assembly Programming
Topic: PDP-11
Replies: 24
Views: 27012

Re: PDP-11

@aberrant Can you suggest an emulator and assembler for a PDP-11 beginner? I've been having a quick play this morning with Macro-11 and E11, but I can't find a 'hello world' example that compiles and works, more worrying, MACRO-11 crashes during compiling some of the samples (with no output) which i...
by akuyou
Mon Aug 19, 2019 10:50 am
Forum: Show and Tell
Topic: A port of TimePilot for Atari XL/XE
Replies: 2
Views: 7177

Re: A port of TimePilot for Atari XL/XE

That's great! I'm not really that skilled with the Atari 8 bits, but what you've done here looks like you've pushed the hardware really hard. Of course you're welcome to show off older projects, (1 year is hardly old anyway) And especially if the source is available - that's something others can lea...
by akuyou
Mon Aug 19, 2019 10:42 am
Forum: Show and Tell
Topic: Bushido Bomb
Replies: 6
Views: 9090

Re: Bushido Bomb

That's a cool little game! The bomb characters are really cute... it kind of reminds me of 'smash bros' or something like that!... I'm not familiar with GiantBomb, so I probably don't get the jokes. You say you took just a month to develop this? that's really impressive - amazing work! running it fr...

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