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- ; Program Name: AUT_DATA.S
- ; Version: 1.001
-
- ; Assembly Instructions:
-
- ; Assemble in Relocatabe mode and save with a TOS extension.
-
- ; Program Function:
-
- ; Compares the relative speed and memory requirements of
-
- ; lea label(pc), Am
- ; move.l An, (Am)
-
- ; and lea label, Am
- ; move.l An, (Am)
-
- ; to move.l An, label
-
- ; The execution time reported is for 50,000 executions of each algorithm.
-
- ; In this program, a data area is declared before the AUT's so that the
- ; first AUT can't disrupt the adaptive algorithm. The address of the data
- ; area is passed to the adaptive algorithm in register A2.
-
- ; A branch statement is included in each AUT so that the adaptive algorithm
- ; will jump over the data area.
-
- ; Of course, this calls for a redesign of the adaptive algorithm.
-
- calculate_program_size:
- lea -$102(pc), a1 ; Fetch basepage start address.
- lea program_end(pc), a0 ; Fetch program end = array address.
- trap #6 ; Return unused memory to op system.
- lea stack(pc), a7
-
- initialize_registers_1:
- lea header_1(pc), a0
- lea header_2(pc), a1
- lea lea_data_area(pc), a2
- lea lea_move_start(pc), a3
- lea lea_move_end(pc), a4
- lea heading(pc), a5
- move.w #50000, d7
- trap #9
-
- initialize_registers_2:
- lea header_3(pc), a0
- lea header_4(pc), a1
- lea long_data_area(pc), a2
- lea long_lea_start(pc), a3
- lea long_lea_end(pc), a4
- lea heading(pc), a5
- move.b #0, (a5) ; Store a NULL in first byte to create a
- move.w #50000, d7 ; null string so that heading gets printed
- trap #9 ; only once.
-
- initialize_registers_3:
- lea header_5(pc), a0
- lea header_6(pc), a1
- lea move_data_area(pc), a2
- lea move_start(pc), a3
- lea move_end(pc), a4
- lea heading(pc), a5
- move.w #50000, d7
- trap #9
-
- terminate:
- trap #8
-
- lea_data_area:
- bra.s lea_move_start
- label_1: ds.l 1
- lea_move_start:
- lea label_1(pc), a2
- move.l a0, (a2)
- lea_move_end:
-
- long_data_area:
- bra.s long_lea_start
- label_2: ds.l 1
- long_lea_start:
- lea label_2(pc), a2
- move.l a0, (a2)
- long_lea_end:
-
- move_data_area:
- bra.s move_start
- label_3: ds.l 1
- move_start:
- lea label_3(pc), a2
- move.l a0, (a2)
- move_end:
-
- data
- heading: dc.b "AUT_DATA Program Results",$D,$A,$D,$A,0
- header_1: dc.b " Elapsed time for lea label(pc), Am ",$D,$A
- dc.b " move.l An, (Am): ",0
- header_2: dc.b " Memory required for first algorithm: ",0
- header_3: dc.b $D,$A," Elapsed time for lea label, Am ",$D,$A
- dc.b " move.l An, (Am): ",0
- header_4: dc.b " Memory required for second algorithm: ",0
- header_5: dc.b $D,$A," Elapsed time for move.l An, label: ",0
- header_6: dc.b " Memory required for third algorithm: ",0
- bss
- align
- ds.l 96
- stack: ds.l 0
- program_end: ds.l 0
- end