3D City
# 3D City Classic 8-bit Shoot 'em up built for the Sega Master System ###### INTRO 3D City is a simple "Shoot 'em up" video game originally programmed by StevePro Studios in New Zealand, January 1988. The game was written using BASIC programming language built on the Sega SC-3000 [source code: http://bit.ly/1n1oEk1]. Inspired from previous posts on Sega Console Programming and z88dk Programming Setup [steveproxna.blogspot.com], 3D City was the impetus to build an 8-bit video game in C / Z80 assembler to target the Sega Master System. ###### INSTRUCTIONS Simple! Move target and shoot all enemy ships before they kill you. 4x misses and it is Game Over. Hint: hold controller Button2 down while moving target slows target down for more focused attack. ###### TOOLS - Programming: z88dk - Graphics: BMP2Tile - Music: Mod2PSG2 - Assembler: WLA-DX - Disassembler: SMS Examine - Emulators: Fusion + Meka ###### SOURCE CODE http://github.com/SteveProXNA/3Dcity ###### ROM HACKING You can hack this ROM! Download and dump 3Dcity.sms into Hex Editor, e.g. HxD, and modify the bytes: - 0x00C0 Death Non-zero = invincibility! - 0x00C1 Level 0=easy (default) 1=hard. - 0x00C2 Enemy 0=3x enemies else 1 or 2. - 0x00C3 Music 0=music on otherwise off. - 0x00C4 Sound 0=sound on otherwise off. - 0x00C5 Tiles 0=tiles scroll yes else no. - 0x00C6 Stars 0=stars flash yes else no. ###### CREDITS Special thanks to: haroldoop, Maxim, Martin, Ville Helin, Bock + Steve Snake ###### COMPANY BIO StevePro Studios is an independent game developer that builds and publishes 80s retro arcade video games! Founded by Steven Boland "SteveProXNA" (Jan-2007) a "one man team of one" currently based in Dublin, Ireland. Previous Sega-based retro games published include "Candy Kid" available here: - iOS http://apple.co/1QcidUk - Android http://goo.gl/5rWsYO - Kindle http://amzn.to/1IQPBA4 - PC http://amzn.to/1QiHM9d ###### CONTACT - Blog: http://steveproxna.blogspot.com - Email: [email protected] - Twitter: @SteveProXNA
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