X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fpico_int.h;h=b5f4a95c7b4d069abf18eb50239776a26f67871a;hb=19954be1966a04304b16d9180b003ec8ca3bc532;hp=45955ad2456a0e7ac5e2e724e1b70953dea89c08;hpb=3e49ffd0bf13f3a889cfb5196c2a61962dff6d0b;p=picodrive.git

diff --git a/pico/pico_int.h b/pico/pico_int.h
index 45955ad..b5f4a95 100644
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -186,6 +186,7 @@ extern struct DrZ80 drZ80;
 #define z80_int()          drZ80.Z80_IRQ = 1
 
 #define z80_cyclesLeft     drZ80.cycles
+#define z80_pc()           (drZ80.Z80PC - drZ80.Z80PC_BASE)
 
 #elif defined(_USE_CZ80)
 #include "../cpu/cz80/cz80.h"
@@ -195,6 +196,7 @@ extern struct DrZ80 drZ80;
 #define z80_int()          Cz80_Set_IRQ(&CZ80, 0, HOLD_LINE)
 
 #define z80_cyclesLeft     (CZ80.ICount - CZ80.ExtraCycles)
+#define z80_pc()           Cz80_Get_Reg(&CZ80, CZ80_PC)
 
 #else
 
@@ -272,10 +274,14 @@ struct PicoMisc
 struct Pico
 {
   unsigned char ram[0x10000];  // 0x00000 scratch ram
-  unsigned short vram[0x8000]; // 0x10000
+  union {                      // vram is byteswapped for easier reads when drawing
+    unsigned short vram[0x8000];  // 0x10000
+    unsigned char  vramb[0x4000]; // VRAM in SMS mode
+  };
   unsigned char zram[0x2000];  // 0x20000 Z80 ram
   unsigned char ioports[0x10];
-  unsigned int pad[0x3c];      // unused
+  unsigned char sms_io_ctl;
+  unsigned char pad[0xef];     // unused
   unsigned short cram[0x40];   // 0x22100
   unsigned short vsram[0x40];  // 0x22180
 
@@ -411,6 +417,8 @@ int CM_compareRun(int cyc, int is_sub);
 // draw.c
 PICO_INTERNAL void PicoFrameStart(void);
 void PicoDrawSync(int to, int blank_last_line);
+void BackFill(int reg7, int sh);
+void FinalizeLineRGB555(int sh);
 extern int DrawScanline;
 #define MAX_LINE_SPRITES 29
 extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];
@@ -418,6 +426,12 @@ extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];
 // draw2.c
 PICO_INTERNAL void PicoFrameFull();
 
+// mode4.c
+void PicoFrameStartMode4(void);
+void PicoLineMode4(int line);
+void PicoDoHighPal555M4(void);
+void PicoDrawSetColorFormatMode4(int which);
+
 // memory.c
 PICO_INTERNAL void PicoInitPc(unsigned int pc);
 PICO_INTERNAL unsigned int PicoCheckPc(unsigned int pc);
@@ -549,12 +563,15 @@ PICO_INTERNAL void PsndReset(void);
 PICO_INTERNAL void PsndDoDAC(int line_to);
 PICO_INTERNAL void PsndClear(void);
 PICO_INTERNAL void PsndGetSamples(int y);
+PICO_INTERNAL void PsndGetSamplesMS(void);
 extern int PsndDacLine;
 
 // sms.c
 void PicoPowerMS(void);
+void PicoResetMS(void);
 void PicoMemSetupMS(void);
 void PicoFrameMS(void);
+void PicoFrameDrawOnlyMS(void);
 
 // emulation event logging
 #ifndef EL_LOGMASK