Memory is memory, irrespective of whether it's "code memory" or "data memory". Back in the bad old days you could just use precompiled textures which are basic

Memory is memory, irrespective of whether it's "code memory" or "data memory". Back in the bad old days you could just use precompiled textures which are basically a set of memory write CPU instructions using immediate mode operands (no texture/bitmap lookup of any kind)