
Unreleased Space Invaders SGB version no Arcade DMGSPY 0
An unreleased version of Space Invaders for the Game Boy was developed by Taito with the serial code DMGSPY-0. This version does not include the most important thing, the Arcade mode which would upload an early version of the SNES retail game into the SGB RAM using the SNES CPU and APU. This version is 128KB, unlike the 512KB retail release.
This build is proof that the Arcade version was an afterthought and we very well could have never known about the SGB being about run SNES games, until official documentation was found and by other more elaborate invasive means (pun unintended... maybe?).
Interestingly, most of the commands to upload the Arcade mode are actually present in this build. Maybe this version was just an alternate build that was done for unknown development related purposes?
DATA_SND
790018000B9C001
79C0042AFDBFF00F0
790B18000B0520EDBB80F220F0BB80ED
JUMP
91001800001800000000000000000000
9103017F00017F000000000000000000
9100207F03207F000000000000000000
9106207F03207F000000000000000000
79000800034C000A0000000000000000
79000A000BADC202C910D04CA9018F04
790B0A000B6000AD010685B0AD020685
DATA_TRN 91 is completely missing from this version.
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