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README.md

SDK-85 fun - part 5

Some rights reserved! Vintage technology preserved.

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A bit messy to use mess cli...

But certainly possible, so figured out how to invoke from command line a freshly built mess, specifying custom option rom to the Intel MCS-85 machine:

github.com/retrohun/mame$ git log -1 --no-color --oneline
6a397596342 (HEAD -> master, origin/master, origin/HEAD) generalplus_gpl16250_nand.cpp: fixed MT08270

github.com/retrohun/mame$ ./mess -version|awk 1
0.242 (mame0236-2186-g6a397596342)

github.com/retrohun/mame$ sha1sum ~/mess/roms/sdk85/sdk85.a14 ~/mess/roms/sdk85/mastermind.a15
54e218560fbec009ac3de5cfb64b920241ef2eeb  ~/mess/roms/sdk85/sdk85.a14
0ea8df1bea26f6d043d315e516f8bc151ed12ad1  ~/mess/roms/sdk85/mastermind.a15

github.com/retrohun/mame$ cksum ~/mess/roms/sdk85/sdk85.a14 ~/mess/roms/sdk85/mastermind.a15
2306435352 2048 ~/mess/roms/sdk85/sdk85.a14
3810006495 2048 ~/mess/roms/sdk85/mastermind.a15

github.com/retrohun/mame$ ./mess sdk85 -rom ~/mess/roms/sdk85/mastermind.a15
Average speed: 100.00% (234 seconds)

Launching Mastermind option rom game from monitor

A reset could be handy via pressing F1. A side effect of this is that it will set up the stack pointer! The remaining keycombinations are according to the latest MAME/MESS keyboard assingments:

MCS-85 Mapping Remarks
Exam X examine regs.
6 PCH 6 PC high byte
0 0 08..H
8 H 8
Next , then PC LSB
0 0 ..00H
0 0 = 0800H
Next , exit examin.
Go G
Exec . run

Game starts after pressing button "0", at each game end, should press "3". Yet another 8 bit demoscene platform was born!

Links

Have fun!

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