RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 07:17:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

32x: packed pixel mode (works over 68k)

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@773 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-09-12 21:54:46 +00:00
parent be2c420828
commit 974fdb5bfd
15 changed files with 330 additions and 91 deletions
Download patch file Download diff file Expand all files Collapse all files

33
pico/pico_int.h
View file

@ -389,12 +389,32 @@ typedef struct
#define Pico_mcd ((mcd_state *)Pico.rom)
// 32X
#define P32XV_nPAL (1<<15)
#define P32XV_PRI (1<< 7)
#define P32XV_Mx (3<< 0)
#define P32XV_VBLK (1<<15)
#define P32XV_HBLK (1<<14)
#define P32XV_PEN (1<<13)
#define P32XV_nFEN (1<< 1)
#define P32XV_FS (1<< 0)
struct Pico32x
{
unsigned short regs[0x20];
unsigned short vdp_regs[0x10];
unsigned char pending_fb;
unsigned char pad[3];
unsigned char dirty_pal;
unsigned char pad[2];
};
struct Pico32xMem
{
unsigned char sdram[0x40000];
unsigned short dram[2][0x20000/2]; // AKA fb
unsigned char m68k_rom[0x10000]; // 0x100; using M68K_BANK_SIZE
unsigned short pal[0x100];
unsigned short pal_native[0x100]; // converted to native (for renderer)
};
// area.c
@ -436,7 +456,7 @@ int CM_compareRun(int cyc, int is_sub);
PICO_INTERNAL void PicoFrameStart(void);
void PicoDrawSync(int to, int blank_last_line);
void BackFill(int reg7, int sh);
void FinalizeLineRGB555(int sh);
void FinalizeLineRGB555(int sh, int line);
extern int DrawScanline;
#define MAX_LINE_SPRITES 29
extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];
@ -588,15 +608,22 @@ void PicoFrameDrawOnlyMS(void);
// 32x/32x.c
extern struct Pico32x Pico32x;
void Pico32xInit(void);
void Pico32xStartup(void);
void PicoPower32x(void);
void PicoReset32x(void);
void Pico32xStartup(void);
void PicoFrame32x(void);
// 32x/memory.c
struct Pico32xMem *Pico32xMem;
unsigned int PicoRead8_32x(unsigned int a);
unsigned int PicoRead16_32x(unsigned int a);
void PicoWrite8_32x(unsigned int a, unsigned int d);
void PicoWrite16_32x(unsigned int a, unsigned int d);
void PicoMemSetup32x(void);
void Pico32xSwapDRAM(int b);
// 32x/draw.c
void FinalizeLine32xRGB555(int sh, int line);
/* avoid dependency on newer glibc */
static __inline int isspace_(int c)