Bosconian Audio MOD by Tiny Yarou

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By alexito

Paladin (744)

Аватар пользователя alexito

10-06-2021, 22:31

Did you know Bosconian MSX ROM is just 16KB?

Z80 CPU ADDRESS 0x6000~0x7FFF and 0xA000~0xBFFF are never used.

Did you know Tiny Yarou method to stream the FM audio is a customized VGM AUDIO DATA?

This method is also used with DRAGON SPIRIT Technical Demo ROM Version (CRC 032967BE)

By gdx

Enlighted (4695)

Аватар пользователя gdx

11-06-2021, 11:24

alexito wrote:

Did you know Bosconian MSX ROM is just 16KB?

Yes, Dig-Dug is also a false 32kB ROM. I made a patch to remove the useless part.
https://www.msx.org/downloads/patch-rom-size-for-dig-dug

By alexito

Paladin (744)

Аватар пользователя alexito

03-07-2021, 23:39

Hi, MSX lovers.

I did a quick hack to Bosconian

Check YOUTUBE VIDEO

My First ROM2COM conversion
proof of concept 25% acceleration achieved
all BIOS access were moved to RAM and BYPASSED INT MODE1

Todo:
Title Screen flickering need new delay values

TestOK BOSC.COM(38501 Bytes) working on MSX Computer with at least 64KB and MSXDOS(1)

Tested successfully on SONY F1XDJ (256KB) + GOTEK FDD
Tested successfully on Sanno SPC MKII + MMM1024KB + Rookie Drive NX (IBM 1.44MB MODE)
Tested successfully on NMS8280(1024KB) Z80 Switch at 3.5mhz (Normal Mode)
Tested successfully on NMS8280(1024KB) Z80 Switch at 7mhz (Turbo Mode)

Uploaded July 03,2021

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