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Hi,
I've given a quick look at Sokoban (Falcon), and I get the following error:
Exception 2 (e12bcc) at e12bce -> e00fb6!
The executed code before the error is a linea #7 (Bit block transfer)
And the program stops on the TAS instruction.
I suspect the TAS instruction not to return to the correct PC address,
but I haven't digged more for now (maybe there's a patch of this
instruction in winuae, or in the old cpu).
Does this TAS instruction works well with the old cpu ?
(I don't use this one in general, I'll learn a new instruction by the
same time ;)
Regards
Laurent
The last instructions before the crash
$06aac6 : a007 linea
#7 ; Bit block transfer
$e094ea : 226f 0002 movea.l 2(sp),a1
$e094ee : 3411 move.w (a1),d2
$e094f0 : c47c 0fff and.w #$fff,d2
$e094f4 : 5489 addq.l #2,a1
$e094f6 : 2f49 0002 move.l a1,2(sp)
$e094fa : b47c 000f cmp.w #$f,d2
$e094fe : 6210 bhi.s $e09510
$e09500 : e54a lsl.w #2,d2
$e09502 : 227b 2024 movea.l $e09528(pc,d2.w),a1
$e09506 : 48e7 1f1c movem.l d3-d7/a3-a5,-(sp)
$e0950a : 4e91 jsr (a1)
$e0fbf2 : dcfc 004c adda.w #$4c,a6
$e0fbf6 : 302e ffc2 move.w $ffc2(a6),d0
$e0fbfa : 3a2e ffc4 move.w $ffc4(a6),d5
$e0fbfe : 342e ffd0 move.w $ffd0(a6),d2
$e0fc02 : 3e2e ffd2 move.w $ffd2(a6),d7
$e0fc06 : 3800 move.w d0,d4
$e0fc08 : 3c02 move.w d2,d6
$e0fc0a : 322e ffb6 move.w $ffb6(a6),d1
$e0fc0e : 5341 subq.w #1,d1
$e0fc10 : da41 add.w d1,d5
$e0fc12 : de41 add.w d1,d7
$e0fc14 : 322e ffb4 move.w $ffb4(a6),d1
$e0fc18 : 5341 subq.w #1,d1
$e0fc1a : d841 add.w d1,d4
$e0fc1c : dc41 add.w d1,d6
$e0fc1e : 3d44 ffee move.w d4,$ffee(a6)
$e0fc22 : 3d45 fff0 move.w d5,$fff0(a6)
$e0fc26 : 3d46 fff6 move.w d6,$fff6(a6)
$e0fc2a : 3d47 fff8 move.w d7,$fff8(a6)
$e0fc2e : 2a79 00e4 d17e movea.l $e4d17e,a5
$e0fc34 : 2a6d 00a2 movea.l $a2(a5),a5
$e0fc38 : 2a6d 0010 movea.l $10(a5),a5
$e0fc3c : 4ed5 jmp (a5)
$e12a0e : 4bf9 00ff 8a3c lea $ff8a3c,a5
$e12a14 : 720f moveq #$f,d1
$e12a16 : 3a02 move.w d2,d5
$e12a18 : ca41 and.w d1,d5
$e12a1a : 3e05 move.w d5,d7
$e12a1c : da45 add.w d5,d5
$e12a1e : 363b 50cc move.w $e129ec(pc,d5.w),d3
$e12a22 : 4643 not.w d3
$e12a24 : 4843 swap d3
$e12a26 : 3a06 move.w d6,d5
$e12a28 : ca41 and.w d1,d5
$e12a2a : da45 add.w d5,d5
$e12a2c : 363b 50c0 move.w $e129ee(pc,d5.w),d3
$e12a30 : 3a00 move.w d0,d5
$e12a32 : ca41 and.w d1,d5
$e12a34 : 9e45 sub.w d5,d7
$e12a36 : e848 lsr.w #4,d0
$e12a38 : e84c lsr.w #4,d4
$e12a3a : e84a lsr.w #4,d2
$e12a3c : e84e lsr.w #4,d6
$e12a3e : 3204 move.w d4,d1
$e12a40 : 9840 sub.w d0,d4
$e12a42 : c3ee ffca muls.w $ffca(a6),d1
$e12a46 : 3a2e fff0 move.w $fff0(a6),d5
$e12a4a : cbee ffcc muls.w $ffcc(a6),d5
$e12a4e : da81 add.l d1,d5
$e12a50 : 246e ffc6 movea.l $ffc6(a6),a2
$e12a54 : 41f2 5800 lea (a2,d5.l),a0
$e12a58 : 3206 move.w d6,d1
$e12a5a : 9c42 sub.w d2,d6
$e12a5c : 6e06 bgt.s $e12a64
$e12a64 : c3ee ffd8 muls.w $ffd8(a6),d1
$e12a68 : 3a2e fff8 move.w $fff8(a6),d5
$e12a6c : 3d45 ffe8 move.w d5,$ffe8(a6)
$e12a70 : cbee ffda muls.w $ffda(a6),d5
$e12a74 : da81 add.l d1,d5
$e12a76 : 266e ffd4 movea.l $ffd4(a6),a3
$e12a7a : 43f3 5800 lea (a3,d5.l),a1
$e12a7e : 7200 moveq #0,d1
$e12a80 : b1c9 cmpa.l a1,a0
$e12a82 : 6e06 bgt.s $e12a8a
$e12a84 : 6634 bne.s $e12aba
$e12aba : 3b7c ffff ffee move.w #$ffff,$ffee(a5)
$e12ac0 : 3b43 ffec move.w d3,$ffec(a5)
$e12ac4 : 4843 swap d3
$e12ac6 : 3b43 fff0 move.w d3,$fff0(a5)
$e12aca : 3006 move.w d6,d0
$e12acc : 5240 addq.w #1,d0
$e12ace : 3b40 fffa move.w d0,$fffa(a5)
$e12ad2 : 4a47 tst.w d7
$e12ad4 : 6c02 bge.s $e12ad8
$e12ad8 : bc44 cmp.w d4,d6
$e12ada : 6602 bne.s $e12ade
$e12adc : 5841 addq.w #4,d1
$e12ade : 342e ffca move.w $ffca(a6),d2
$e12ae2 : 362e ffd8 move.w $ffd8(a6),d3
$e12ae6 : 3004 move.w d4,d0
$e12ae8 : c9c2 muls.w d2,d4
$e12aea : 4444 neg.w d4
$e12aec : d86e ffcc add.w $ffcc(a6),d4
$e12af0 : d046 add.w d6,d0
$e12af2 : cdc3 muls.w d3,d6
$e12af4 : 4446 neg.w d6
$e12af6 : dc6e ffda add.w $ffda(a6),d6
$e12afa : 0801 0003 btst #3,d1
$e12afe : 6608 bne.s $e12b08
$e12b00 : 4442 neg.w d2
$e12b02 : 4443 neg.w d3
$e12b04 : 4444 neg.w d4
$e12b06 : 4446 neg.w d6
$e12b08 : 3b46 fff4 move.w d6,$fff4(a5)
$e12b0c : 3b44 ffe6 move.w d4,$ffe6(a5)
$e12b10 : 4a40 tst.w d0
$e12b12 : 6606 bne.s $e12b1a
$e12b1a : ce7c 000f and.w #$f,d7
$e12b1e : 8e7b 1012 or.w $e12b32(pc,d1.w),d7
$e12b22 : 3b43 fff2 move.w d3,$fff2(a5)
$e12b26 : 3b42 ffe4 move.w d2,$ffe4(a5)
$e12b2a : 6626 bne.s $e12b52
$e12b52 : 346e ffce movea.w $ffce(a6),a2
$e12b56 : 366e ffdc movea.w $ffdc(a6),a3
$e12b5a : 342e ffbc move.w $ffbc(a6),d2
$e12b5e : 362e ffba move.w $ffba(a6),d3
$e12b62 : 382e ffb6 move.w $ffb6(a6),d4
$e12b66 : 3a2e ffb8 move.w $ffb8(a6),d5
$e12b6a : 3b7c 0200 fffe move.w #$200,$fffe(a5)
$e12b70 : 286e ffde movea.l $ffde(a6),a4
$e12b74 : 2c0c move.l a4,d6
$e12b76 : 677a beq.s $e12bf2
$e12bf2 : 51cd ffb6 dbra d5,$e12baa
$e12baa : 2b48 ffe8 move.l a0,$ffe8(a5)
$e12bae : 2b49 fff6 move.l a1,$fff6(a5)
$e12bb2 : 3b44 fffc move.w d4,$fffc(a5)
$e12bb6 : 4246 clr.w d6
$e12bb8 : e24b lsr.w #1,d3
$e12bba : dd46 addx.w d6,d6
$e12bbc : e24a lsr.w #1,d2
$e12bbe : dd46 addx.w d6,d6
$e12bc0 : 1b76 60be ffff move.b $be(a6,d6.w),$ffff(a5)
$e12bc6 : 3a87 move.w d7,(a5)
$e12bc8 : d0ca adda.w a2,a0
$e12bca : d2cb adda.w a3,a1
$e12bcc : 4ad5 tas (a5)
Debugger: *CPU breakpoint*
>
> r
D0 0000007E D1 00000004 D2 00000000 D3 FFFF0000
D4 00000001 D5 00000000 D6 00000000 D7 000080C0
A0 002DEA41 A1 00FF9841 A2 00000002 A3 00000002
A4 00000000 A5 00FF8A3C A6 00083E02 A7 00087768
USP 000877F2 ISP 00087768 SFC 00000000 DFC 00000000
CACR 00000000 VBR 00000000 CAAR 00000000 MSP 00000000
T=00 S=1 M=0 X=0 N=1 Z=0 V=0 C=0 IMASK=3 STP=0
FP0: 0 FP1: 0 FP2: 0 FP3: 0
FP4: 0 FP5: 0 FP6: 0 FP7: 0
N=0 Z=0 I=0 NAN=0
00E00FB6 48f8 ffff 0384 MOVEM.L D0-D7/A0-A7,$00000384
Next PC: 00e00fbc