mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-11-22 14:33:51 +00:00
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
|
#ifndef _DLL_H
|
||
|
|
#define _DLL_H
|
||
|
|
|
||
|
|
#include "atari7800.h"
|
||
|
|
|
||
|
|
#define DLL_FLAGS DLL_H16 // 4k DMA holes
|
||
|
|
#define SLOTHEIGHT 16 // lines per display list
|
||
|
|
#define SLOTSIZE 32 // bytes per display list
|
||
|
|
#define SLOTSPERPAGE 16 // display lists per page
|
||
|
|
#define DOUBLEBUFFER // double buffer (2 pages)
|
||
|
|
#define DLSAVE // enable save buffer
|
||
|
|
|
||
|
|
#ifdef DOUBLEBUFFER
|
||
|
|
#define NUMPAGES 2
|
||
|
|
#else
|
||
|
|
#define NUMPAGES 1
|
||
|
|
#endif
|
||
|
|
#define NUMSLOTS (SLOTSPERPAGE*NUMPAGES)
|
||
|
|
|
||
|
|
extern DLLEntry DLL[NUMSLOTS]; // display list list
|
||
|
|
extern byte DL[NUMSLOTS][SLOTSIZE]; // display list slots
|
||
|
|
extern byte DL_len[NUMSLOTS]; // current bytes in each slot
|
||
|
|
#ifdef DLSAVE
|
||
|
|
extern byte DL_save[NUMSLOTS]; // save lengths of each slot
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// set current page (0 or 1)
|
||
|
|
#define dll_page(page) (slot0 = (page)*SLOTSPERPAGE)
|
||
|
|
|
||
|
|
extern byte slot0;
|
||
|
|
|
||
|
|
void dll_setup(void);
|
||
|
|
void dll_add_string(const char* str, byte x, byte y, byte wpal);
|
||
|
|
void dll_add_sprite(word addr, byte x, byte y, byte wpal);
|
||
|
|
sbyte dll_bytesleft(byte slot);
|
||
|
|
void* dll_alloc(byte slot, byte len);
|
||
|
|
void dll_set_scroll(byte y);
|
||
|
|
void dll_save(void);
|
||
|
|
void dll_restore(void);
|
||
|
|
void dll_restore_all(void);
|
||
|
|
void dll_clear(void);
|
||
|
|
|
||
|
|
void dll_swap(void);
|
||
|
|
void dll_copy(void);
|
||
|
|
|
||
|
|
#endif
|