4 ms·
> It had a very clean and symmetric instruction set Indeed. Motorola's 68000 CPU took so much inspiration from the PDP-11's ISA, it was almost a spiritual succ
by mrandish 4mo ago
> It had a very clean and symmetric instruction set
Indeed. Motorola's 68000 CPU took so much inspiration from the PDP-11's ISA, it was almost a spiritual successor. The 68000's 8/16-bit little brother, the 6809, widely considered the most powerful 8-bit CPU ever - was also heavily inspired by the PDP-11.
- tralarpa 4mo agoSomes lines in PDP-11 assembly from 2.11BSD: mov r1,-(sp) mov $1024.,-(sp) mov $outbuf,-(sp) mov fout,-(sp) jsr pc,_write add $6,sp mov (sp)+,r1 tst r0 bpl 2f jmp wrterr