For example, the original 1984 Mac hardcoded the screen resolution to 512x384 black & white so they had to rewrite QuickDraw just three years later to add color, different resolutions, and multiple monitors. Classic Mac OS was easy to crash because it had no memory protection.
In 1996 Palm OS had hardcoded screen resolution with no color support. They had no memory protection. Palm also used already-obsolete DragonBall/68K processors when faster ARMs were already available.
In 1996 Palm OS had hardcoded screen resolution with no color support. They had no memory protection. Palm also used already-obsolete DragonBall/68K processors when faster ARMs were already available.