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Part of the MediaPoint source code. Author of this file is unknown. Circa 1992-1994.
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| * | |
| * When the computer has a 68030 it can be faster to blit with the 68030 | |
| * | |
| try_to_fast_cpu: | |
| move.l db_inactive_fileblok(a3),a4 | |
| lsr.l #1,d7 | |
| move.l vb_breedte_x(a5),d3 | |
| mulu d7,d3 | |
| add.l d3,a2 | |
| move.l vb_breedte_x(a4),d3 | |
| mulu d7,d3 | |
| add.l d3,a1 | |
| lsr.w #1,d2 | |
| move.l db_shiftdest(a3),d4 | |
| subq.w #1,d2 | |
| rep_cpu_ver1: | |
| move.w d2,d6 | |
| rep_cpu_hor1: | |
| move.l -2(a1),d5 | |
| lsr.l d4,d5 | |
| move.w d5,(a2)+ | |
| addq.l #2,a1 | |
| dbf d6,rep_cpu_hor1 | |
| add.l d1,a1 | |
| add.l d0,a2 | |
| subq.l #1,d7 | |
| bne.s rep_cpu_ver1 | |
| ; move.l db_graphbase(a3),a6 | |
| ; jsr _LVODisownBlitter(a6) ; geef bliter weer vrij | |
| rts |
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