Search found 214 matches

by akuyou
Mon Sep 16, 2019 9:21 pm
Forum: Super Nintendo Assembly Programming
Topic: Lesson P27+20 - Sound on the SNES / Super Famicom: the SPC700
Replies: 3
Views: 93

Re: Lesson P27+20 - Sound on the SNES / Super Famicom: the SPC700

WLA-DX, bass and Asar assemblers support SPC700 and 65816. Also, there's an SPC700 macro set for CA65. One of the oldest ways was to use Table Assembler with an SPC700 opcode/instruction table which can still be found online. Some of those assemblers use a 6502-like instruction instead of the stand...
by akuyou
Sat Sep 14, 2019 9:22 pm
Forum: Amstrad CPC Assembly Programming
Topic: Video: Setting the CPC screen with CRTC registers - Learn Z80 Lesson P39
Replies: 2
Views: 528

Re: Video: Setting the CPC screen with CRTC registers - Learn Z80 Lesson P39

Good point on the relevance to the BBC of this topic... I don't have the skill right now on the BBC side to cover this, but I'll be running out of prepared 6502 content soon, so maybe it's something I can start researching.
by akuyou
Mon Sep 02, 2019 9:45 pm
Forum: C64 Assembly Programming
Topic: Lesson P30 - Sound on the C64
Replies: 0
Views: 134

Lesson P30 - Sound on the C64



http://www.chibiakumas.com/6502/platform3.php#LessonP30

The C64 uses the famous SID sound chip, providing 3 sound channels, and capable of noise, the SID famous for its distinctive sound.
Lets learn out to make sounds on the C64 with the SID!
by akuyou
Mon Sep 02, 2019 9:41 pm
Forum: VIC-20 Assembly Programming
Topic: Lesson P29 - Sound on the on the VIC-20
Replies: 0
Views: 141

Lesson P29 - Sound on the on the VIC-20



http://www.chibiakumas.com/6502/platform3.php#LessonP29

The Vic 20 has a sound chip with 3 different voice channels, it has a 4th channel capable of noise effects...

Lets learn how to make some simple sounds with the VIC-20!
by akuyou
Mon Sep 02, 2019 9:38 pm
Forum: Super Nintendo Assembly Programming
Topic: Lesson P22 - Palette Definitions on the SNES / Super Famicom
Replies: 0
Views: 145

Lesson P22 - Palette Definitions on the SNES / Super Famicom



http://www.chibiakumas.com/6502/platform3.php#LessonP22

The Snes has 256 onscreen colors, and a superb 5 bits per channel RGB palette definition... lets learn how to use it!
by akuyou
Mon Sep 02, 2019 9:35 pm
Forum: Super Nintendo Assembly Programming
Topic: Lesson P27+20 - Sound on the SNES / Super Famicom: the SPC700
Replies: 3
Views: 93

Lesson P27+20 - Sound on the SNES / Super Famicom: the SPC700

https://youtu.be/kMYUW4MAnOw http://www.chibiakumas.com/6502/platform3.php#LessonP27 The SNES has a dedicated sound processor - which is a pain!, unfortunately it's a custom chip which uses a totally different instruction set - which makes it a total F ing pain! Lets learn how we can 'tame' the SPC...
by akuyou
Mon Sep 02, 2019 9:33 pm
Forum: Nintendo Entertainment System / Famicom Assembly Programming
Topic: Lesson P26 - Sound on the NES / Famicom
Replies: 0
Views: 120

Lesson P26 - Sound on the NES / Famicom



http://www.chibiakumas.com/6502/platform3.php#LessonP26

The NES uses 5 sound channels, two are Rectangle wave, one is Triangle, one is Noise, and the last is ' Delta Modulation Channel' (DMC)

Lets learn how to make the NES sound chip make some basic sounds!
by akuyou
Mon Sep 02, 2019 9:32 pm
Forum: PC-Engine Assembly Programming
Topic: Lesson P25 - Sound on the PC Engine (TurboGrafx-16)
Replies: 0
Views: 140

Lesson P25 - Sound on the PC Engine (TurboGrafx-16)



http://www.chibiakumas.com/6502/platform3.php#LessonP25

The PC Engine Has 6 digital sound channels, unlike many other systems, they use digital sound.

We need to define 'wave data' to make our square wave sounds for chibisound... lets find out how!
by akuyou
Mon Sep 02, 2019 9:31 pm
Forum: Atari Lynx Assembly Programming
Topic: Lesson P24 - Sound on the Atari Lynx
Replies: 0
Views: 138

Lesson P24 - Sound on the Atari Lynx

https://youtu.be/Zya1TPvoYmg Sound on the Lynx is shockingly poorly documented in the 'official' documentation - which seems to be written in a way that is as hard as possible to understand, with no practical coding examples!... having read the 'documentation' it's hardly surprising the Lynx was a ...
by akuyou
Mon Sep 02, 2019 9:29 pm
Forum: Atari 800 and 5200 Assembly Programming
Topic: Lesson P23 - Sound on the Atari 800 / 5200
Replies: 0
Views: 129

Lesson P23 - Sound on the Atari 800 / 5200



http://www.chibiakumas.com/6502/platform3.php#LessonP23

The Atari 800 and 5200 use the 'Pokey' Chip for sound - providing 4 channels capable of tone and noise with independent volumes, the POKEY gives the Atari good sound capabilities.

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