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DJ Puff's Volcanic Capers +2 [1992] |
Credits :
Download :
Look for downloads on external sites:
Pokefinder.org
User Comment
Submitted by iAN CooG on 12 January 2013
vice 2.4.1 still has this $00/$01 behaviour implemented wrong.
EDIT: has been finally fixed in r27014 (13-1-2013) |
User Comment
Submitted by chatGPZ on 1 December 2012
"so bit7-6 in $00 shouldn't be taken into account when setting $01 bits. Hence it's truely a VICE bug."
actually they should be taken into account, see your bug report =) |
User Comment
Submitted by j0x on 29 November 2012
If you're on Vice, you can circumvent this by issuing "poke 21728,0:poke 21730,0" before running the program.
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User Comment
Submitted by hedning on 29 November 2012
| Works fine in Hoxs64 v1.0.7.5 too. |
User Comment
Submitted by iAN CooG on 29 November 2012
it would work if the init code after the trainer was correct
.C:1211 A9 85 LDA #$85
.C:1213 85 01 STA $01
.C:1215 A9 FF LDA #$FF
.C:1217 85 00 STA $00
first set $00 to $ff, then you can set $01 to $85
it's not useful to set $00 after setting $01 =)
to make it start, when the trainer is shown, breakpoint at $1200
b 1200
x
then when sledgehammer finished unpacking and monitor pops up again
> 00 ff
x
and it will start. Why it works in CCS and HOXS (or even on real C64) it's beyond me, it shouldn't.
EDIT: reading the dox always helps:
6510 On-Chip I/O DATA Direction Register
Bit 0: Direction of Bit 0 I/O on port at next address. Default = 1 (output)
Bit 1: Direction of Bit 1 I/O on port at next address. Default = 1 (output)
Bit 2: Direction of Bit 2 I/O on port at next address. Default = 1 (output)
Bit 3: Direction of Bit 3 I/O on port at next address. Default = 1 (output)
Bit 4: Direction of Bit 4 I/O on port at next address. Default = 0 (input)
Bit 5: Direction of Bit 5 I/O on port at next address. Default = 1 (output)
Bit 6: Direction of Bit 6 I/O on port at next address. Not used.
Bit 7: Direction of Bit 7 I/O on port at next address. Not used.
Not used, so bit7-6 in $00 shouldn't be taken into account when setting $01 bits. Hence it's truely a VICE bug. |
User Comment
Submitted by Mason on 29 November 2012
| Must be a vice bug as it works fine in CCS |
User Comment
Submitted by r242 on 29 November 2012
I don't get this to work in WinVICE 2.4 (x64). Several different settings tested.
After depacking the (incomplete) title-screen freezes. |
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