;Thanks Scott, your code is very instructive. ;Total execution time: ;worst case: 59 + 80 + 66 + 46 = 251 cycles ;Code size: 73 clr temp sub30k mov W, #3 add temp, W mov W, #30000 & $FF sub Lo, W mov W, #30000 >> 8 sb C mov W, #(30000 >> 8) + 1 sub Hi, W snb C jmp sub30k add10k dec temp mov W, #10000 & $FF add Lo, W mov W, #(10000 >> 8) snb C mov W, #(10000 >> 8) + 1 add Hi, W sb C jmp add10k ; Output(temp) ;output temp = TenK ;worst case: 12 * 3 + 11 * 3 - 1 = 59 clr temp sub3k mov W, #3 add temp, W mov W, #3000 & $FF sub Lo, W mov W, #(3000 >> 8) sb C mov W, #(3000 >> 8) + 1 sub Hi, W snb C jmp sub3k add1k dec temp mov W, #1000 & $FF add Lo, W mov W, #(1000 >> 8) snb C mov W, #(1000 >> 8) + 1 add Hi, W sb C jmp add1k ; Output(temp) ;output temp = Thou ;worst case: 12 * 4 + 11 * 3 - 1 = 80 clr temp sub300 mov W, #3 add temp, W mov W, #300 & $FF sub Lo, W mov W, #(300 >> 8) sb C mov W, #(300 >> 8) + 1 sub Hi, W snb C jmp sub300 mov W, #100 add100 dec temp add Lo, W sb C jmp add100 inc Hi snb Hi.7 jmp add100 ; Output(temp) ;output temp = Hund ;worst case: 11 * 4 + 6 * 3 + 3 = 66 clr temp mov W, #30 sub30 inc temp sub Lo, W snb C jmp sub30 mov W, temp rl temp add temp, W mov W, #10 add10 dec temp add Lo, W sb C jmp add10 ; Output(temp) ;output temp = Tens ;worst case: 6 * 4 + 6 * 3 + 4 = 46 ; Output(Lo) ;output temp = Ones
file: /Techref/scenix/lib/math/radix/b2a-16b4a-ng_sx.htm, 2KB, , updated: 2004/6/10 13:40, local time: 2024/11/5 13:39,
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