37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
#ifndef __SYSTEM_H__
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#define __SYSTEM_H__
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#include "../types.h"
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#include "../screen.h"
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#define WORD_ALIGNED_BYTE_POSITION(width, x, y) (((width * y + x) >> 3) & 0xfffe)
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#define WORD_ALIGNED_BYTE_X(x) (((x) >> 3) & 0xfffe)
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// this needs to be kept in sync with the XDEFs in system.s
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// copperlist
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extern void initializeCopperlist(void *copperlist);
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extern uint16_t* endCopperlist(uint16_t *copperlist);
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extern uint16_t* addDisplayToCopperlist(
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uint16_t *copperlist,
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struct ScreenSetup *,
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struct CurrentScreen *,
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void *copperlistBitplanePointers
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);
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extern void updateDisplayInCopperList(
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struct ScreenSetup *,
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struct CurrentScreen *,
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void *copperlistBitplanePointers
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);
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extern uint16_t* addColorsToCopperlist(uint16_t *copperlist, color_t[], int count);
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extern uint16_t* setUpEmptySpritesInCopperlist(uint16_t *copperlist);
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extern void takeOverSystem(void);
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extern void giveBackSystem(void);
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extern void setUpDisplay(uint32_t bitplaneCount);
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extern void myWaitBlit(void);
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extern uint16_t WaitBOF(uint32_t line);
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#endif
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