2024年2月16日 · Compiled this data earlier today to assist in determining which 68882s are fake (sanded off and remarked) and which are legit. It's usually quite obvious by poor quality of …

68030和68040是摩托罗拉68k处理器家族的末期产品，cisc设计。 最快的68030运行在33MHz上，它只能配合外置FPU。 68040系列家族相比68030，对内部缓存进行了极大的改进，完整 …

2022年6月7日 · These were early accelerators that either either 68000 CPUs running at a higher clock speed, or the newer 68HC000 that required less power. For the 128k, 512k, 512ke and …

2016年11月24日 · The first thing that came into mind was a 68882 FPU since my unit doesn't have one. As I've never really experienced it, I'm curious as to how significant of a …

2022年5月6日 · I’ve been sitting on the fence as to whether to order an FPU card for my Classic II. I suppose my question is whether any software actually usable on a Classic II makes use of …

The Motorola 68000 (sometimes shortened to Motorola 68k or m68k and usually pronounced "sixty-eight-thousand") [2][3] is a 16/32-bit complex instruction set computer (CISC) …

The Motorola 68000 series (also known as 680x0, m68000, m68k, or 68k) is a family of 32-bit complex instruction set computer (CISC) microprocessors. During the 1980s and early 1990s, …

2016年8月22日 · When the FPU-less 68k encounters a FP instruction, it raises a special exception, meant to invoke a software routine to emulate the instruction’s results.

2024年7月1日 · Motorola 68881 (MC68881) is a co-processor used with second generation of Motorola 68K microprocessors - Motorola 68020 and 68030. The 68881 could be theoretically …

The original 68k processor. This processor had only 24-bit external addressing, allowing up to 16MB of memory to be directly addressable. It lacked an MMU or the ability to interface with …