[hatari-devel] Moonspeeder problem : joystick question

Laurent Sallafranque laurent.sallafranque at free.fr
Sat Jan 30 23:36:40 CET 2010


Hello,

I was looking at moonspeeder. There's no interaction in the main menu.
Everything works, but the "mouse pointer" doesn't move.

While tracing a little, I 've seen the following calls to address 
$ff9201 and $ff9202
These addresses are related to joystick.

Can't the problem be somewhere in this part of code ?
(the joystick doesn't move the "mouse pointer" as it should ?
(I really don't know how this works in hatari, so that's why I ask).

Regards
Laurent

00053aba: 31fc 00fb 9202 0838 0001 MOVE.W #$00fb,$ffffffffffff9202       
00053ac0: 0838 0001 9201 6714 31fc BTST.B #$0001,$ffffffffffff9201       
00053ac6: 6714 31fc 00bf 9202 0838 BEQ.B #$00000014 == 00053adc (FALSE)  
00053ac8: 31fc 00bf 9202 0838 0003 MOVE.W #$00bf,$ffffffffffff9202       
00053ace: 0838 0003 9201 6706 4a2e BTST.B #$0003,$ffffffffffff9201       
00053ad4: 6706 4a2e 0158 6704 0016 BEQ.B #$00000006 == 00053adc (FALSE)  
00053ad6: 4a2e 0158 6704 0016 0040 TST.B (A6,$0158) == $000af9bc         
00053ada: 6704 0016 0040 31fc 00fe BEQ.B #$00000004 == 00053ae0 (TRUE)   
00053ae0: 31fc 00fe 9202 0838 0000 MOVE.W #$00fe,$ffffffffffff9202       
00053ae6: 0838 0000 9201 670e 31fc BTST.B #$0000,$ffffffffffff9201       
00053aec: 670e 31fc 00ef 9202 0838 BEQ.B #$0000000e == 00053afc (FALSE)
00053aee: 31fc 00ef 9202 0838 0002 MOVE.W #$00ef,$ffffffffffff9202
00053af4: 0838 0002 9201 6606 002e BTST.B #$0002,$ffffffffffff9201
00053afa: 6606 002e 0001 0001 31fc BNE.B #$00000006 == 00053b02 (TRUE)
00053b02: 31fc 00fd 9202 0838 0001 MOVE.W #$00fd,$ffffffffffff9202
00053b08: 0838 0001 9201 670e 31fc BTST.B #$0001,$ffffffffffff9201
00053b0e: 670e 31fc 00df 9202 0838 BEQ.B #$0000000e == 00053b1e (FALSE)
00053b10: 31fc 00df 9202 0838 0003 MOVE.W #$00df,$ffffffffffff9202
00053b16: 0838 0003 9201 6604 0016 BTST.B #$0003,$ffffffffffff9201
00053b1c: 6604 0016 0020 31fc 00fd BNE.B #$00000004 == 00053b22 (TRUE)
00053b22: 31fc 00fd 9202 0838 0003 MOVE.W #$00fd,$ffffffffffff9202
00053b28: 0838 0003 9202 670e 31fc BTST.B #$0003,$ffffffffffff9202
00053b2e: 670e 31fc 00df 9202 0838 BEQ.B #$0000000e == 00053b3e (FALSE)
00053b30: 31fc 00df 9202 0838 0007 MOVE.W #$00df,$ffffffffffff9202
00053b36: 0838 0007 9202 6606 002e BTST.B #$0007,$ffffffffffff9202
00053b3c: 6606 002e 0010 0001 31fc BNE.B #$00000006 == 00053b44 (TRUE)
00053b44: 31fc 00fb 9202 0838 0003 MOVE.W #$00fb,$ffffffffffff9202
00053b4a: 0838 0003 9202 670e 31fc BTST.B #$0003,$ffffffffffff9202
00053b50: 670e 31fc 00bf 9202 0838 BEQ.B #$0000000e == 00053b60 (FALSE)
00053b52: 31fc 00bf 9202 0838 0007 MOVE.W #$00bf,$ffffffffffff9202
00053b58: 0838 0007 9202 6606 002e BTST.B #$0007,$ffffffffffff9202
00053b5e: 6606 002e 0020 0001 31fc BNE.B #$00000006 == 00053b66 (TRUE)
00053b66: 31fc 00fe 9202 0838 0001 MOVE.W #$00fe,$ffffffffffff9202
00053b6c: 0838 0001 9201 670e 31fc BTST.B #$0001,$ffffffffffff9201
00053b72: 670e 31fc 00ef 9202 0838 BEQ.B #$0000000e == 00053b82 (FALSE)
00053b74: 31fc 00ef 9202 0838 0003 MOVE.W #$00ef,$ffffffffffff9202
00053b7a: 0838 0003 9201 6604 0016 BTST.B #$0003,$ffffffffffff9201
00053b80: 6604 0016 0010 31fc 00f7 BNE.B #$00000004 == 00053b86 (TRUE)
00053b86: 31fc 00f7 9202 0838 0000 MOVE.W #$00f7,$ffffffffffff9202
00053b8c: 0838 0000 9202 670e 31fc BTST.B #$0000,$ffffffffffff9202
00053b92: 670e 31fc 007f 9202 0838 BEQ.B #$0000000e == 00053ba2 (FALSE)
00053b94: 31fc 007f 9202 0838 0004 MOVE.W #$007f,$ffffffffffff9202
00053b9a: 0838 0004 9202 6606 002e BTST.B #$0004,$ffffffffffff9202
00053ba0: 6606 002e 0008 0001 31fc BNE.B #$00000006 == 00053ba8 (TRUE)
00053ba8: 31fc 00fe 9202 1038 9202 MOVE.W #$00fe,$ffffffffffff9202
00053bae: 1038 9202 4640 0240 000f MOVE.B $ffffffffffff9202,D0
00053bb2: 4640 0240 000f 8116 31fc NOT.W D0
00053bb4: 0240 000f 8116 31fc 00ef AND.W #$000f,D0
00053bb8: 8116 31fc 00ef 9202 1038 OR.B D0,(A6)
00053bba: 31fc 00ef 9202 1038 9202 MOVE.W #$00ef,$ffffffffffff9202
00053bc0: 1038 9202 4640 e808 8116 MOVE.B $ffffffffffff9202,D0
00053bc4: 4640 e808 8116 4a2e 015b NOT.W D0
00053bc6: e808 8116 4a2e 015b 6704 LSR.B #$00000004,D0
00053bc8: 8116 4a2e 015b 6704 0016 OR.B D0,(A6)
00053bca: 4a2e 015b 6704 0016 0020 TST.B (A6,$015b) == $000af9bf
00053bce: 6704 0016 0020 4a2e 013e BEQ.B #$00000004 == 00053bd4 (TRUE)
00053bd4: 4a2e 013e 6704 0016 0010 TST.B (A6,$013e) == $000af9a2
00053bd8: 6704 0016 0010 4cdf 4001 BEQ.B #$00000004 == 00053bde (TRUE)
00053bde: 4cdf 4001 4e75 48e7 f800 MVMEL.L #$4001,(A7)+
00053be2: 4e75 48e7 f800 4cb9 0003 RTS.L




More information about the hatari-devel mailing list