147 lines
4 KiB
C
147 lines
4 KiB
C
|
/*
|
||
|
|
* UAE - The Un*x Amiga Emulator
|
||
|
|
*
|
||
|
|
* custom chip support
|
||
|
|
*
|
||
|
|
* (c) 1995 Bernd Schmidt
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* These are the masks that are ORed together in the chipset_mask option.
|
||
|
|
* If CSMASK_AGA is set, the ECS bits are guaranteed to be set as well. */
|
||
|
|
|
||
|
|
#ifndef UAE_CUSTOM_H
|
||
|
|
#define UAE_CUSTOM_H
|
||
|
|
|
||
|
|
#define CSMASK_ECS_AGNUS 1
|
||
|
|
#define CSMASK_ECS_DENISE 2
|
||
|
|
#define CSMASK_AGA 4
|
||
|
|
|
||
|
|
uae_u32 get_copper_address(int copno);
|
||
|
|
|
||
|
|
extern int custom_init (void);
|
||
|
|
extern void customreset (void);
|
||
|
|
extern int intlev (void);
|
||
|
|
extern void dumpcustom (void);
|
||
|
|
|
||
|
|
extern void do_disk (void);
|
||
|
|
extern void do_copper (void);
|
||
|
|
|
||
|
|
extern void notice_new_xcolors (void);
|
||
|
|
extern void notice_screen_contents_lost (void);
|
||
|
|
extern void init_row_map (void);
|
||
|
|
extern void init_hz (void);
|
||
|
|
extern void init_custom (void);
|
||
|
|
|
||
|
|
/* Set to 1 to leave out the current frame in average frame time calculation.
|
||
|
|
* Useful if the debugger was active. */
|
||
|
|
extern int bogusframe;
|
||
|
|
extern unsigned long int hsync_counter;
|
||
|
|
|
||
|
|
extern uae_u16 dmacon;
|
||
|
|
extern uae_u16 intena,intreq;
|
||
|
|
|
||
|
|
// extern int current_hpos (void);
|
||
|
|
extern int vpos;
|
||
|
|
#define current_hpos() ((get_cycles () - eventtab[ev_hsync].oldcycles) / CYCLE_UNIT)
|
||
|
|
|
||
|
|
extern int find_copper_record (uaecptr, int *, int *);
|
||
|
|
|
||
|
|
extern int n_frames;
|
||
|
|
|
||
|
|
#define dmaen(DMAMASK) (int)((DMAMASK & dmacon) && (dmacon & 0x200))
|
||
|
|
|
||
|
|
#define SPCFLAG_STOP 2
|
||
|
|
#define SPCFLAG_COPPER 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_ACTION_REPLAY 2048
|
||
|
|
#define SPCFLAG_TRAP 4096 /* enforcer-hack */
|
||
|
|
#define SPCFLAG_MODE_CHANGE 8192
|
||
|
|
#define SPCFLAG_END_COMPILE 16384
|
||
|
|
|
||
|
|
extern uae_u16 adkcon;
|
||
|
|
|
||
|
|
extern unsigned int joy0dir, joy1dir;
|
||
|
|
extern int joy0button, joy1button;
|
||
|
|
|
||
|
|
extern void INTREQ (uae_u16);
|
||
|
|
extern void INTREQ_0 (uae_u16);
|
||
|
|
extern uae_u16 INTREQR (void);
|
||
|
|
|
||
|
|
/* maximums for statically allocated tables */
|
||
|
|
|
||
|
|
#define MAXHPOS 227
|
||
|
|
#define MAXVPOS 312
|
||
|
|
|
||
|
|
/* PAL/NTSC values */
|
||
|
|
|
||
|
|
#define MAXHPOS_PAL 227
|
||
|
|
#define MAXHPOS_NTSC 227
|
||
|
|
#define MAXVPOS_PAL 312
|
||
|
|
#define MAXVPOS_NTSC 262
|
||
|
|
#define VBLANK_ENDLINE_PAL 27
|
||
|
|
#define VBLANK_ENDLINE_NTSC 28
|
||
|
|
#define VBLANK_SPRITE_PAL 25
|
||
|
|
#define VBLANK_SPRITE_NTSC 20
|
||
|
|
#define VBLANK_HZ_PAL 50
|
||
|
|
#define VBLANK_HZ_NTSC 60
|
||
|
|
|
||
|
|
extern int maxhpos, maxvpos, minfirstline, vblank_endline, numscrlines;
|
||
|
|
extern int vblank_hz;
|
||
|
|
#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_MASTER 0x0200
|
||
|
|
#define DMA_BLITPRI 0x0400
|
||
|
|
|
||
|
|
extern uae_u16 htotal, vtotal;
|
||
|
|
|
||
|
|
/* 100 words give you 1600 horizontal pixels. Should be more than enough for
|
||
|
|
* superhires. Don't forget to update the definition in genp2c.c as well.
|
||
|
|
* needs to be larger for superhires support */
|
||
|
|
#define MAX_WORDS_PER_LINE 100
|
||
|
|
|
||
|
|
extern uae_u32 hirestab_h[256][2];
|
||
|
|
extern uae_u32 lorestab_h[256][4];
|
||
|
|
|
||
|
|
extern uae_u32 hirestab_l[256][1];
|
||
|
|
extern uae_u32 lorestab_l[256][2];
|
||
|
|
|
||
|
|
/* AGA mode color lookup tables */
|
||
|
|
extern unsigned int xredcolors[256], xgreencolors[256], xbluecolors[256];
|
||
|
|
|
||
|
|
#define RES_LORES 0
|
||
|
|
#define RES_HIRES 1
|
||
|
|
#define RES_SUPERHIRES 2
|
||
|
|
|
||
|
|
/* calculate shift depending on resolution (replaced "decided_hires ? 4 : 8") */
|
||
|
|
#define RES_SHIFT(res) ((res) == RES_LORES ? 8 : (res) == RES_HIRES ? 4 : 2)
|
||
|
|
|
||
|
|
/* get resolution from bplcon0 */
|
||
|
|
//#define GET_RES(CON0) (((CON0) & 0x8000) ? RES_HIRES : ((CON0) & 0x40) ? RES_SUPERHIRES : RES_LORES)
|
||
|
|
#define GET_RES(CON0) (((CON0) & 0x8000) ? RES_HIRES : RES_LORES)
|
||
|
|
/* get sprite width from FMODE */
|
||
|
|
#define GET_SPRITEWIDTH(FMODE) ((((FMODE) >> 2) & 3) == 3 ? 64 : (((FMODE) >> 2) & 3) == 0 ? 16 : 32)
|
||
|
|
/* Compute the number of bitplanes from a value written to BPLCON0 */
|
||
|
|
#define GET_PLANES(x) ((((x) >> 12) & 7) | (((x) & 0x10) >> 1))
|
||
|
|
|
||
|
|
extern void fpscounter_reset (void);
|
||
|
|
|
||
|
|
extern unsigned int beamcon0, new_beamcon0;
|
||
|
|
|
||
|
|
#endif
|