mirror of https://github.com/wwarthen/RomWBW.git
14 changed files with 43 additions and 8 deletions
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; |
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;================================================================================================== |
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; CBIOS INTERRUPT SERVICE ROUTINES |
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;================================================================================================== |
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; THIS AREA IS FOR ANY OTHER INTERRUPT SERVICE ROUTINES SO THEY ARE SAFELY KEPT IN THE TOP |
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; 32k OF THE CPU'S ADDRESS SPACE AND OUT OF THE TPA AREA. REFER TO BNK1.ASM FOR DETAILS ON THE |
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; INTERRUPT VECTOR TABLE AT FF00H AND INTERRUPTS.TXT IN THE DOC FOLDER. |
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; |
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INITISR: ; CALLED DURING BOOT (CBIOS) |
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#IF (INTMODE = 2) ; MODE 2 ONLY |
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DI |
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; MODIFY INTERRUPT VECTOR TABLE TO POINT TO ISR(S) |
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; INITIALISE ANY INTERRUPT HARDWARE |
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EI |
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#ENDIF |
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RET |
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; ADD ANY ISR(S) HERE |
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.FILL 256 ; **DEBUG** RESERVE A PAGE FOR INTERRUPTS |
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