Changes
/* History */
Motorola used even numbers for major revisions to the CPU core such as 68000, 68020, 68040 and 68060. The 68010 was a revised version of the 68000 with minor modifications to the core, and likewise the 68030 was a revised 68020 with some more powerful features, none of them significant enough to classify as a major upgrade to the core. The 68050 was reportedly "a minor upgrade of the 68040" that lost a battle for resources within Motorola. They considered the 68050 as not meriting the necessary investment in production of the part.
Ultimately, Motorola stopped investing in MC680x0 family when everyone thought that RISC was the future and that CISC CPUs would be soon non competitive. So it switched formed an alliance with Apple and IBM to switch to PowerPCs.
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