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吴钩霜雪明
送交者: FVCK 2023年05月03日15:42:01 于 [五 味 斋] 发送悄悄话

当年读书要学设计,必须自己动手制作。楼下有个小车间,通过培训可以自己在车间动手。
里面就有金刚砂飞轮,车间内必须戴防护设备,尤其护目镜。
无论什么坚硬的材料,到了金刚砂飞轮,向下一串火星冒出,马上磨平。

另外,大学一年级时候学的Z80是作为汇编语言的单板机而用,估计当年就没啥用。现在更是毫无意义。
早就过时了几个世代。
Motorola 68008
The Motorola 68008 is an 8/32-bit microprocessor introduced by Motorola in 1982.
It is a version of 1979's Motorola 68000 with an 8-bit external data bus, as well
as a smaller address bus. The 68008 was available with 20 or 22 address lines
(respective to 48-pin or 52-pin package) which allowed 1 MB or 4 MB address space
versus the 16 MB addressable on the 68000. The 68008 was designed to work with lower
cost and simpler 8-bit memory systems. Because of its smaller data bus, it was
roughly half as fast as a 68000 of the same clock speed.[citation needed] It was
still faster than competing 8-bit microprocessors,[dubious – discuss] because
internally the 68008 behaves identically to the 68000 and has the same microarchitecture.

Motorola ended production of the 68008 in 1996。
============

当年读书要学设计,必须自己动手制作。楼下有个小车间,通过培训可以自己在车间动手。
里面就有金刚砂飞轮,车间内必须戴防护设备,尤其护目镜。
无论什么坚硬的材料,到了金刚砂飞轮,向下一串火星冒出,马上磨平。

另外,大学一年级时候学的Z80是作为汇编语言的单板机而用,估计当年就没啥用。现在更是毫无意义。
早就过时了几个世代。
Motorola 68008
The Motorola 68008 is an 8/32-bit microprocessor introduced by Motorola in 1982.
It is a version of 1979's Motorola 68000 with an 8-bit external data bus, as well
as a smaller address bus. The 68008 was available with 20 or 22 address lines
(respective to 48-pin or 52-pin package) which allowed 1 MB or 4 MB address space
versus the 16 MB addressable on the 68000. The 68008 was designed to work with lower
cost and simpler 8-bit memory systems. Because of its smaller data bus, it was
roughly half as fast as a 68000 of the same clock speed.[citation needed] It was
still faster than competing 8-bit microprocessors,[dubious – discuss] because
internally the 68008 behaves identically to the 68000 and has the same microarchitecture.

Motorola ended production of the 68008 in 1996。
============
当年读书要学设计,必须自己动手制作。楼下有个小车间,通过培训可以自己在车间动手。
里面就有金刚砂飞轮,车间内必须戴防护设备,尤其护目镜。
无论什么坚硬的材料,到了金刚砂飞轮,向下一串火星冒出,马上磨平。

另外,大学一年级时候学的Z80是作为汇编语言的单板机而用,估计当年就没啥用。现在更是毫无意义。
早就过时了几个世代。
Motorola 68008
The Motorola 68008 is an 8/32-bit microprocessor introduced by Motorola in 1982.
It is a version of 1979's Motorola 68000 with an 8-bit external data bus, as well
as a smaller address bus. The 68008 was available with 20 or 22 address lines
(respective to 48-pin or 52-pin package) which allowed 1 MB or 4 MB address space
versus the 16 MB addressable on the 68000. The 68008 was designed to work with lower
cost and simpler 8-bit memory systems. Because of its smaller data bus, it was
roughly half as fast as a 68000 of the same clock speed.[citation needed] It was
still faster than competing 8-bit microprocessors,[dubious – discuss] because
internally the 68008 behaves identically to the 68000 and has the same microarchitecture.

Motorola ended production of the 68008 in 1996。
============




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