[linux-elitists] Hm, editor wars
Paul J Collins
Wed Jun 28 15:15:39 PDT 2000
>>>>> "Nick" == Nick Moffitt <email@example.com> writes:
Nick> Yeah, but we had zero-page addressing.
Nick> The 6502 was a pipelined 8-bit chip with
Nick> variable-operand instructions. You could speed things up
Nick> considerably by stripping off the high byte of your
Nick> addresses and working entirely in the bottom 256 bytes of
Nick> RAM. Most games used this area for heavily-accessed state.
Unless you were using an Acorn, which used a fair chunk of zero page
for OS and machine state; probably for that very reason.
Paul Collins <firstname.lastname@example.org> - - - - - [ A&P,a&f ]
GPG: 0A49 49A9 2932 0EE5 89B2 9EE0 3B65 7154 8131 1BCD
PGP: 88BA 2393 8E3C CECF E43A 44B4 0766 DD71 04E5 962C
"Where? Where is the town? Now it's nothing but flowers!"
More information about the linux-elitists