Indie Retro News: Doom64 - Doom for the Commodore 64? Well sort of.. But it's still impressive

Yesterday Kweepa launched the ultimate model of DOOM64 on Itch.io, an bold demake that marks the second entry in his deliberate id Software program conversion trilogy for the Commodore 64. Having beforehand squeezed a model of Doom onto the much more restricted VIC-20 utilizing off-axis partitions, Kweepa shifted focus this time round. By ditching off-axis angles, he managed to redirect the C64’s processing cycles towards rendering dynamic peak modifications for flooring and ceilings. To seize the look of the 1993 traditional, the sport implements lighting modifications by refreshing the system’s 40×25 textual content show with dithered shading patterns. Full texture mapping was explicitly deserted to forestall a muddy, low-resolution look, a slightly fascinating optimization selection that freed up treasured system reminiscence for customized lookup tables, enemy mipmaps, and a local soundtrack.

The technical wizardry continues, the place maps had been crafted frame-by-frame on a grid utilizing a customized editor geared up with instantaneous preview instruments to steadiness elevation and shadows. The sport’s weapons make the most of hand-tweaked, re-paletted, and rescaled sprites initially sourced from the PC shareware launch. On the audio facet nevertheless, the creator has mentioned that sounds are taken from the unique PC speaker results and have been decimated, which labored for the VIC-20 model. Commodore 64 homeowners seeking to check their mettle towards the forces of Hell can seize the sport in two distinct flavors: a normal model optimized for contemporary emulators or {hardware} fastloaders just like the C64 Final, and a Krill-powered various tailor-made particularly to maximise disk speeds on a bone-stock, unmodified C64 setup. The bundle is topped off with a glossy loading splash display illustrated by digital artist Paul Docherty (d0kk!).

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