+// 32X\r
+#define P32XS_FM (1<<15)\r
+#define P32XS_REN (1<< 7)\r
+#define P32XS_nRES (1<< 1)\r
+#define P32XS_ADEN (1<< 0)\r
+#define P32XS2_ADEN (1<< 9)\r
+#define P32XS_FULL (1<< 7) // DREQ FIFO full\r
+#define P32XS_68S (1<< 2)\r
+#define P32XS_DMA (1<< 1)\r
+#define P32XS_RV (1<< 0)\r
+\r
+#define P32XV_nPAL (1<<15) // VDP\r
+#define P32XV_PRI (1<< 7)\r
+#define P32XV_Mx (3<< 0) // display mode mask\r
+\r
+#define P32XV_SFT (1<< 0)\r
+\r
+#define P32XV_VBLK (1<<15)\r
+#define P32XV_HBLK (1<<14)\r
+#define P32XV_PEN (1<<13)\r
+#define P32XV_nFEN (1<< 1)\r
+#define P32XV_FS (1<< 0)\r
+\r
+#define P32XP_FULL (1<<15) // PWM\r
+#define P32XP_EMPTY (1<<14)\r
+\r
+#define P32XF_68KPOLL (1 << 0)\r
+#define P32XF_MSH2POLL (1 << 1)\r
+#define P32XF_SSH2POLL (1 << 2)\r
+#define P32XF_68KVPOLL (1 << 3)\r
+#define P32XF_MSH2VPOLL (1 << 4)\r
+#define P32XF_SSH2VPOLL (1 << 5)\r
+\r
+#define P32XI_VRES (1 << 14/2) // IRL/2\r
+#define P32XI_VINT (1 << 12/2)\r
+#define P32XI_HINT (1 << 10/2)\r
+#define P32XI_CMD (1 << 8/2)\r
+#define P32XI_PWM (1 << 6/2)\r
+\r
+// peripheral reg access\r
+#define PREG8(regs,offs) ((unsigned char *)regs)[offs ^ 3]\r
+\r
+// real one is 4*2, but we use more because we don't lockstep\r
+#define DMAC_FIFO_LEN (4*4)\r
+#define PWM_BUFF_LEN 1024 // in one channel samples\r
+\r
+#define SH2_DRCBLK_RAM_SHIFT 1\r
+#define SH2_DRCBLK_DA_SHIFT 1\r
+\r
+#define SH2_WRITE_SHIFT 25\r
+\r
+struct Pico32x\r
+{\r
+ unsigned short regs[0x20];\r
+ unsigned short vdp_regs[0x10]; // 0x40\r
+ unsigned short sh2_regs[3]; // 0x60\r
+ unsigned char pending_fb;\r
+ unsigned char dirty_pal;\r
+ unsigned int emu_flags;\r
+ unsigned char sh2irq_mask[2];\r
+ unsigned char sh2irqi[2]; // individual\r
+ unsigned int sh2irqs; // common irqs\r
+ unsigned short dmac_fifo[DMAC_FIFO_LEN];\r
+ unsigned int dmac_ptr;\r
+ unsigned int pwm_irq_sample_cnt;\r
+ unsigned int reserved[9];\r
+};\r
+\r
+struct Pico32xMem\r
+{\r
+ unsigned char sdram[0x40000];\r
+#ifdef DRC_SH2\r
+ unsigned short drcblk_ram[1 << (18 - SH2_DRCBLK_RAM_SHIFT)];\r
+#endif\r
+ unsigned short dram[2][0x20000/2]; // AKA fb\r
+ union {\r
+ unsigned char m68k_rom[0x100];\r
+ unsigned char m68k_rom_bank[0x10000]; // M68K_BANK_SIZE\r
+ };\r
+ unsigned char data_array[2][0x1000]; // cache in SH2s (can be used as RAM)\r
+#ifdef DRC_SH2\r
+ unsigned short drcblk_da[2][1 << (12 - SH2_DRCBLK_DA_SHIFT)];\r
+#endif\r
+ unsigned char sh2_rom_m[0x800];\r
+ unsigned char sh2_rom_s[0x400];\r
+ unsigned short pal[0x100];\r
+ unsigned short pal_native[0x100]; // converted to native (for renderer)\r
+ unsigned int sh2_peri_regs[2][0x200/4]; // periphereal regs of SH2s\r
+ signed short pwm[2*PWM_BUFF_LEN]; // PWM buffer for current frame\r
+};\r