kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
78 wiersze
1.8 KiB
C
78 wiersze
1.8 KiB
C
/*
|
|
* UAE - The Un*x Amiga Emulator
|
|
*
|
|
* custom chip support
|
|
*
|
|
* (c) 1995 Bernd Schmidt
|
|
*/
|
|
|
|
extern void custom_init(void);
|
|
extern void customreset(void);
|
|
extern int intlev(void);
|
|
extern void dumpcustom(void);
|
|
|
|
extern void do_disk(void);
|
|
|
|
extern void notice_new_xcolors (void);
|
|
extern void notice_screen_contents_lost (void);
|
|
|
|
extern int inhibit_frame;
|
|
extern int bogusframe;
|
|
|
|
extern uae_u16 dmacon;
|
|
extern uae_u16 intena,intreq;
|
|
|
|
extern int current_hpos (void);
|
|
extern int vpos;
|
|
|
|
static __inline__ int dmaen(unsigned int dmamask)
|
|
{
|
|
return (dmamask & dmacon) && (dmacon & 0x200);
|
|
}
|
|
|
|
#define SPCFLAG_STOP 2
|
|
#define SPCFLAG_DISK 4
|
|
#define SPCFLAG_INT 8
|
|
#define SPCFLAG_BRK 16
|
|
#define SPCFLAG_EXTRA_CYCLES 32
|
|
#define SPCFLAG_TRACE 64
|
|
#define SPCFLAG_DOTRACE 128
|
|
#define SPCFLAG_DOINT 256
|
|
#define SPCFLAG_BLTNASTY 512
|
|
#define SPCFLAG_EXEC 1024
|
|
#define SPCFLAG_MODE_CHANGE 8192
|
|
|
|
extern int dskdmaen;
|
|
extern uae_u16 adkcon;
|
|
|
|
extern unsigned int joy0dir, joy1dir;
|
|
extern int joy0button, joy1button;
|
|
extern uae_u32 mousehack_helper (void);
|
|
|
|
extern void INTREQ(uae_u16);
|
|
extern uae_u16 INTREQR(void);
|
|
extern uae_u16 DMACONR(void);
|
|
|
|
#define maxhpos 227
|
|
#define maxvpos 312
|
|
/* The HRM says: The vertical blanking area (PAL) ranges from line 0 to line 29,
|
|
* and no data can be displayed there. Nevertheless, we lose some overscan data
|
|
* if this is set to 29. */
|
|
#define minfirstline 21
|
|
#define vblank_endline 29
|
|
#define numscrlines (maxvpos+1-minfirstline+1)
|
|
|
|
#define DMA_AUD0 0x0001
|
|
#define DMA_AUD1 0x0002
|
|
#define DMA_AUD2 0x0004
|
|
#define DMA_AUD3 0x0008
|
|
#define DMA_DISK 0x0010
|
|
#define DMA_SPRITE 0x0020
|
|
#define DMA_BLITTER 0x0040
|
|
#define DMA_COPPER 0x0080
|
|
#define DMA_BITPLANE 0x0100
|
|
#define DMA_BLITPRI 0x0400
|
|
|
|
extern unsigned long frametime, timeframes;
|
|
|