Your search is actually more common than you think. There is a legendary, high-quality fan-made modification (ROM hack) that takes the core story, characters, and Pokémon of the Nintendo DS classics and rebuilds them to run on GBA emulators. This guide will explain exactly what you are looking for, how to find the top version, and how to safely set it up on your PC.
Variable. As fan projects, they can contain glitches or placeholders (especially in music or post-game areas). FireRed hack: - Pokemon Diamond and Pearl Advance pokemon diamond and pearl gba download for pc top
Look for files ending in .gba that are between 16MB and 32MB in size. Your search is actually more common than you think
Often superior to the original DS games by including the Physical/Special split (which was Gen 4's biggest improvement) and removing the need for HM slaves. Variable
hacks designed to bring the Sinnoh experience to the GBA engine. 2. Why People Still Hunt for the GBA Version
If you specifically want a GBA experience, there are fan-made "ROM hacks" that recreate the Diamond and Pearl (Sinnoh region) story using the Game Boy Advance engine.