Search
lxdream.org :: lxdream/src/sh4/sh4core.h :: diff
Latest Version
lxdream 0.9.1
released Jun 29
Download Now
Navigation
News Download Mailing Lists Mercurial Issues Dreamcast Wiki FAQ Forums
tree revision 669:ab344e42bca9
Jump to:
summary | tree | shortlog | changelog | graph | changeset

 

filename src/sh4/sh4core.h
changeset 669:ab344e42bca9
prev617:476a717a54f3
next736:a02d1475ccfd
author nkeynes
date Mon May 12 10:00:13 2008 +0000 (15 years ago)
permissions -rw-r--r--
last change Cleanup most of the -Wall warnings (getting a bit sloppy...)
Convert FP code to use fixed banks rather than indirect pointer
(3-4% faster this way now)
file annotate diff log raw 
     1.1 --- a/src/sh4/sh4core.h	Tue Jan 29 10:39:56 2008 +0000

     1.2 +++ b/src/sh4/sh4core.h	Mon May 12 10:00:13 2008 +0000

     1.3 @@ -100,6 +100,7 @@

     1.4  void SCIF_save_state( FILE *f );

     1.5  int SCIF_load_state( FILE *f );

     1.6  void SCIF_update_line_speed(void);

     1.7 +void TMU_init( void );

     1.8  void TMU_reset( void );

     1.9  void TMU_run_slice( uint32_t );

    1.10  void TMU_save_state( FILE * );

    1.11 @@ -109,9 +110,11 @@

    1.12  /* SH4 instruction support methods */

    1.13  void sh4_sleep( void );

    1.14  void sh4_fsca( uint32_t angle, float *fr );

    1.15 -void sh4_ftrv( float *fv, float *xmtrx );

    1.16 +void sh4_ftrv( float *fv );

    1.17  uint32_t sh4_read_sr(void);

    1.18  void sh4_write_sr(uint32_t val);

    1.19 +void sh4_write_fpscr(uint32_t val);

    1.20 +void sh4_switch_fr_banks(void);

    1.21  void signsat48(void);

    1.22  gboolean sh4_has_page( sh4vma_t vma );

    1.23  

    1.24 @@ -216,14 +219,14 @@

    1.25  #define IS_FPU_DOUBLESIZE() (sh4r.fpscr&FPSCR_SZ)

    1.26  #define IS_FPU_ENABLED() ((sh4r.sr&SR_FD)==0)

    1.27  

    1.28 -#define FR(x) sh4r.fr_bank[(x)^1]

    1.29 -#define DRF(x) ((double *)sh4r.fr_bank)[x]

    1.30 -#define XF(x) sh4r.fr[((~sh4r.fpscr)&FPSCR_FR)>>21][(x)^1]

    1.31 -#define XDR(x) ((double *)(sh4r.fr[((~sh4r.fpscr)&FPSCR_FR)>>21]))[x]

    1.32 -#define DRb(x,b) ((double *)(sh4r.fr[((b ? (~sh4r.fpscr) : sh4r.fpscr)&FPSCR_FR)>>21]))[x]

    1.33 -#define DR(x) DRb((x>>1), (x&1))

    1.34 -#define FPULf   *((float *)&sh4r.fpul)

    1.35 -#define FPULi    (sh4r.fpul)

    1.36 +#define FR(x) sh4r.fr[0][(x)^1]

    1.37 +#define DRF(x) *((double *)&sh4r.fr[0][(x)<<1])

    1.38 +#define XF(x) sh4r.fr[1][(x)^1]

    1.39 +#define XDR(x) *((double *)&sh4r.fr[1][(x)<<1])

    1.40 +#define DRb(x,b) *((double *)&sh4r.fr[b][(x)<<1])

    1.41 +#define DR(x) *((double *)&sh4r.fr[x&1][x&0x0E])

    1.42 +#define FPULf    (sh4r.fpul.f)

    1.43 +#define FPULi    (sh4r.fpul.i)

    1.44  

    1.45  #define SH4_WRITE_STORE_QUEUE(addr,val) sh4r.store_queue[(addr>>2)&0xF] = val;

    1.46
.