Mercurial > repos > blastem
view test.s68 @ 1866:84f16a804ce5
Rework sprite rendering phase 3 to better match behavior documented by Kabuto/Titan and fix edge case in sprite overflow flag that was breaking the RPS minigame in Alex Kidd
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Thu, 20 Jun 2019 22:31:31 -0700 |
parents | 3adbd97f71f2 |
children |
line wrap: on
line source
dc.l $0, start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l start dc.l after dc.l after dc.l after dc.l after dc.l after dc.l after dc.l after dc.l after start: bra after after: abcd d0, d1 abcd -(a2), -(a3) add.b #42, d1 add.w d3, d4 add.l d5, (a0)+ addq.w #5, d0 addx d6, d7 addx -(a4), -(a5) and.w d5, d7 andi.l #5, (a0)+ andi #8, CCR andi #9, CCR foo: asl d0, d3 asr #3, d7 bne foo bchg #5, d0 bclr #7, d0 bset #1, d0 bsr bar btst #3, d0 chk.w #53, d7 clr d5 cmp d0, d1 bar: dbra d0, bar divs.w d5, d7 divu.w d3, d4 eor.w d0, d6 eori.l #5, d2 eori #5, ccr eori #2700, sr exg d5, d6 ext d2 illegal jmp (a0) jsr (a5) lea (a0, 8), a3 link.w a6, #32 lsl d0, d3 lsr #3, d7 move.b (a0)+, (32, a5) moveq #5, d0 move #89, ccr move sr, d0 move #2700, sr move a5, usp movem.l d0-d3/a4/a6, -(a7) movep.w d4, (40, a3) muls.w d6, d7 mulu.w d2, d4 nbcd -(a2) neg.l d7 negx.b d5 nop not.b d3 or.w d5, d7 ori.b #7, d5 ori #5, ccr ori #2700, sr pea (24, a3) reset rol.l #7, d0 rol.w d5, d0 ror.w d1, d3 roxl.l #7, d0 roxl.w d5, d0 roxr.w d1, d3 rte rtr rts sbcd d0, d1 sbcd -(a2), -(a3) slt d5 stop #3 sub.b #42, d1 sub.w d3, d4 sub.l d5, (a0)+ subq.w #5, d0 subx d6, d7 subx -(a4), -(a5) swap d6 tas (a3) trap #7 trapv tst.w (a4)+ unlk a6