Annotation of hatari/src/cpu/custom.h, revision 1.1.1.6

1.1       root        1:  /*
                      2:   * UAE - The Un*x Amiga Emulator
                      3:   *
                      4:   * custom chip support
                      5:   *
                      6:   * (c) 1995 Bernd Schmidt
                      7:   */
                      8: 
1.1.1.5   root        9: #ifndef UAE_CUSTOM_H
                     10: #define UAE_CUSTOM_H
                     11: 
                     12: #include "uae/types.h"
                     13: #include "machdep/rpt.h"
1.1       root       14: 
                     15: /* These are the masks that are ORed together in the chipset_mask option.
                     16:  * If CSMASK_AGA is set, the ECS bits are guaranteed to be set as well.  */
                     17: #define CSMASK_ECS_AGNUS 1
                     18: #define CSMASK_ECS_DENISE 2
                     19: #define CSMASK_AGA 4
                     20: #define CSMASK_MASK (CSMASK_ECS_AGNUS | CSMASK_ECS_DENISE | CSMASK_AGA)
                     21: 
                     22: uae_u32 get_copper_address (int copno);
                     23: 
                     24: extern int custom_init (void);
1.1.1.4   root       25: extern void custom_reset (bool hardreset, bool keyboardreset);
1.1       root       26: extern int intlev (void);
                     27: extern void dumpcustom (void);
                     28: extern void uae_reset (int hardreset);
                     29: 
                     30: extern void do_disk (void);
                     31: extern void do_copper (void);
                     32: 
                     33: extern void notice_new_xcolors (void);
                     34: extern void notice_screen_contents_lost (void);
                     35: extern void init_row_map (void);
1.1.1.4   root       36: extern void init_hz_normal (void);
1.1       root       37: extern void init_custom (void);
                     38: 
1.1.1.5   root       39: extern bool picasso_requested_on, picasso_requested_forced_on, picasso_on;
1.1       root       40: extern void set_picasso_hack_rate (int hz);
                     41: 
                     42: /* Set to 1 to leave out the current frame in average frame time calculation.
1.1.1.5   root       43: * Useful if the debugger was active.  */
1.1       root       44: extern int bogusframe;
                     45: extern unsigned long int hsync_counter;
                     46: 
                     47: extern uae_u16 dmacon;
                     48: extern uae_u16 intena, intreq, intreqr;
                     49: 
                     50: extern int current_hpos (void);
                     51: extern int vpos;
                     52: 
                     53: extern int find_copper_record (uaecptr, int *, int *);
                     54: 
                     55: extern int n_frames;
                     56: 
                     57: STATIC_INLINE int dmaen (unsigned int dmamask)
                     58: {
1.1.1.5   root       59:        return (dmamask & dmacon) && (dmacon & 0x200);
1.1       root       60: }
                     61: 
                     62: 
                     63: #define SPCFLAG_STOP 2
                     64: #define SPCFLAG_COPPER 4
                     65: #define SPCFLAG_INT 8
                     66: //#define SPCFLAG_BRK 16
1.1.1.5   root       67: //#define SPCFLAG_UAEINT 32
1.1       root       68: //#define SPCFLAG_TRACE 64
                     69: //#define SPCFLAG_DOTRACE 128
                     70: //#define SPCFLAG_DOINT 256 /* arg, JIT fails without this.. */
                     71: #define SPCFLAG_BLTNASTY 512
                     72: //#define SPCFLAG_EXEC 1024
                     73: #define SPCFLAG_ACTION_REPLAY 2048
                     74: #define SPCFLAG_TRAP 4096 /* enforcer-hack */
                     75: //#define SPCFLAG_MODE_CHANGE 8192
                     76: #ifdef JIT
                     77: #define SPCFLAG_END_COMPILE 16384
                     78: #endif
1.1.1.4   root       79: #define SPCFLAG_CHECK 32768
1.1       root       80: 
                     81: extern uae_u16 adkcon;
                     82: 
                     83: extern unsigned int joy0dir, joy1dir;
                     84: extern int joy0button, joy1button;
                     85: 
1.1.1.5   root       86: extern void INTREQ(uae_u16);
                     87: extern bool INTREQ_0(uae_u16);
                     88: extern void INTREQ_f(uae_u16);
                     89: extern void send_interrupt(int num, int delay);
                     90: extern void rethink_uae_int(void);
                     91: extern uae_u16 INTREQR(void);
1.1       root       92: 
                     93: 
                     94: #define DMA_AUD0      0x0001
                     95: #define DMA_AUD1      0x0002
                     96: #define DMA_AUD2      0x0004
                     97: #define DMA_AUD3      0x0008
                     98: #define DMA_DISK      0x0010
                     99: #define DMA_SPRITE    0x0020
                    100: #define DMA_BLITTER   0x0040
                    101: #define DMA_COPPER    0x0080
                    102: #define DMA_BITPLANE  0x0100
                    103: #define DMA_MASTER    0x0200
                    104: #define DMA_BLITPRI   0x0400
                    105: 
1.1.1.5   root      106: #define CYCLE_REFRESH  1
                    107: #define CYCLE_STROBE   2
                    108: #define CYCLE_MISC             3
                    109: #define CYCLE_SPRITE   4
                    110: #define CYCLE_COPPER   5
                    111: #define CYCLE_BLITTER  6
                    112: #define CYCLE_CPU              7
                    113: #define CYCLE_CPUNASTY 8
                    114: #define CYCLE_COPPER_SPECIAL 0x10
                    115: 
                    116: #define CYCLE_MASK 0x0f
1.1       root      117: 
                    118: #ifdef AGA
                    119: /* AGA mode color lookup tables */
                    120: extern unsigned int xredcolors[256], xgreencolors[256], xbluecolors[256];
                    121: #endif
                    122: extern int xredcolor_s, xredcolor_b, xredcolor_m;
                    123: extern int xgreencolor_s, xgreencolor_b, xgreencolor_m;
                    124: extern int xbluecolor_s, xbluecolor_b, xbluecolor_m;
                    125: 
                    126: #define RES_LORES 0
                    127: #define RES_HIRES 1
                    128: #define RES_SUPERHIRES 2
                    129: #define RES_MAX 2
                    130: #define VRES_NONDOUBLE 0
                    131: #define VRES_DOUBLE 1
1.1.1.5   root      132: #define VRES_QUAD 2
1.1       root      133: #define VRES_MAX 1
                    134: 
                    135: /* calculate shift depending on resolution (replaced "decided_hires ? 4 : 8") */
                    136: #define RES_SHIFT(res) ((res) == RES_LORES ? 8 : (res) == RES_HIRES ? 4 : 2)
                    137: 
                    138: /* get resolution from bplcon0 */
                    139: #if AMIGA_ONLY
                    140: STATIC_INLINE int GET_RES_DENISE (uae_u16 con0)
                    141: {
1.1.1.5   root      142:        if (!(currprefs.chipset_mask & CSMASK_ECS_DENISE))
                    143:                con0 &= ~0x40; // SUPERHIRES
                    144:        return ((con0) & 0x40) ? RES_SUPERHIRES : ((con0) & 0x8000) ? RES_HIRES : RES_LORES;
1.1       root      145: }
                    146: STATIC_INLINE int GET_RES_AGNUS (uae_u16 con0)
                    147: {
1.1.1.5   root      148:        if (!(currprefs.chipset_mask & CSMASK_ECS_AGNUS))
                    149:                con0 &= ~0x40; // SUPERHIRES
                    150:        return ((con0) & 0x40) ? RES_SUPERHIRES : ((con0) & 0x8000) ? RES_HIRES : RES_LORES;
1.1       root      151: }
                    152: #endif // AMIGA_ONLY
                    153: 
                    154: /* get sprite width from FMODE */
                    155: #define GET_SPRITEWIDTH(FMODE) ((((FMODE) >> 2) & 3) == 3 ? 64 : (((FMODE) >> 2) & 3) == 0 ? 16 : 32)
                    156: /* Compute the number of bitplanes from a value written to BPLCON0  */
                    157: STATIC_INLINE int GET_PLANES(uae_u16 bplcon0)
                    158: {
1.1.1.5   root      159:        if ((bplcon0 & 0x0010) && (bplcon0 & 0x7000))
                    160:                return 0; // >8 planes = 0 planes
                    161:        if (bplcon0 & 0x0010)
                    162:                return 8; // AGA 8-planes bit
                    163:        return (bplcon0 >> 12) & 7; // normal planes bits
1.1       root      164: }
                    165: 
                    166: extern void fpscounter_reset (void);
                    167: extern unsigned long idletime;
1.1.1.6 ! root      168: extern int lightpen_x[2], lightpen_y[2];
        !           169: extern int lightpen_cx[2], lightpen_cy[2], lightpen_active, lightpen_enabled, lightpen_enabled2;
1.1       root      170: 
                    171: struct customhack {
1.1.1.5   root      172:        uae_u16 v;
                    173:        int vpos, hpos;
1.1       root      174: };
                    175: void customhack_put (struct customhack *ch, uae_u16 v, int hpos);
                    176: uae_u16 customhack_get (struct customhack *ch, int hpos);
                    177: extern void alloc_cycle_ext (int, int);
                    178: extern bool ispal (void);
                    179: extern int inprec_open(char *fname, int record);
                    180: extern void sleep_millis (int ms);
                    181: 
1.1.1.2   root      182: /* referred by prefetch.h */
                    183: extern uae_u32 wait_cpu_cycle_read (uaecptr addr, int mode);
                    184: extern void wait_cpu_cycle_write (uaecptr addr, int mode, uae_u32 v);
                    185: extern uae_u32 wait_cpu_cycle_read_ce020 (uaecptr addr, int mode);
                    186: extern void wait_cpu_cycle_write_ce020 (uaecptr addr, int mode, uae_u32 v);
                    187: 
1.1.1.5   root      188: #endif /* UAE_CUSTOM_H */

unix.superglobalmegacorp.com

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.