Subject: [stella] 8K Bankswitch template From: Manuel Polik <cybergoth@xxxxxxxx> Date: Thu, 19 Sep 2002 08:54:18 +0200 |
Hi there! Since I was struggling some 3 hours to get that going last night, I thought some of you might find this helpful at times: ############################################ ;------------------------------------------- ; 8K BANKSWITCH TEMPLATE ; written by Manuel Polik 19.09.02 ;------------------------------------------- processor 6502 include vcs.h SEG.U vars ORG $80 dummy1 .byte SEG Bank0 ORG $1000 RORG $D000 MainGame JMP SwitchToBank1 ; ... remove above and add ~4K code/data here... ORG $1FF0 RORG $DFF0 SwitchToBank1: BIT $1FF9 JMP MainGame .byte $FF, $FF, $FF, $FF .word SwitchToBank1 .word SwitchToBank1 .word SwitchToBank1 SEG.U variables ORG $80 dummy2 .byte SEG Bank1 ORG $2000 RORG $F000 start JMP SwitchToBank0 ; ... remove above and add ~4K code/data here... ORG $2FF0 RORG $FFF0 SwitchToBank0: BIT $1FF8 JMP start .byte $FF, $FF, $FF, $FF .word start .word start .word start ############################################ Note: It does nothing but permanent bank-switching. :-) Greetings, Manuel ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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