ref: dfb4b522830edab8f3856289d326d6cf5e930644
dir: /sys/src/games/snes/dat.h/
extern u8int rP, dma, nmi, irq, emu, wai; extern u16int rA, rX, rY, rS, rD, pc; extern u32int rPB, rDB, curpc, hdma; extern uchar *prg, *sram; extern int nprg, nsram, hirom; extern u32int keylatch, lastkeys; extern u8int reg[32768], mem[131072], spcmem[65536], vram[65536], oam[544]; extern u16int cgram[256], vramlatch; extern u8int mdr, mdr1, mdr2; extern int ppux, ppuy, rx; extern u16int vtime, htime, subcolor, oamaddr; extern u16int hofs[5], vofs[5]; extern s16int m7[6]; extern u8int spcmem[65536], spctimer[4], dsp[256]; extern u8int sA, sX, sY, sP, sS; extern u16int spc; extern u8int dspstate; extern u16int dspcounter, noise; extern int ppuclock, spcclock, dspclock, stimerclock, cpupause; extern int battery, saveclock, mouse; enum { FLAGC = 1<<0, FLAGZ = 1<<1, FLAGI = 1<<2, FLAGD = 1<<3, FLAGX = 1<<4, FLAGM = 1<<5, FLAGV = 1<<6, FLAGN = 1<<7, }; enum { FREQ = 21477272, SPCDIV = 21, SAVEFREQ = FREQ / 4, XLEFT = 22, XRIGHT = 22 + 255, }; enum { INIDISP = 0x2100, FORBLANK = 0x80, OBSEL = 0x2101, OAMADDH = 0x2103, BGMODE = 0x2105, MOSAIC = 0x2106, M7SEL = 0x211a, WIN1 = 2, INVW1 = 1, WIN2 = 8, INVW2 = 4, TM = 0x212c, TS = 0x212d, TMW = 0x212e, TSW = 0x212f, CGWSEL = 0x2130, CGADSUB = 0x2131, DIRCOL = 1, SETINI = 0x2133, EXTBG = 1<<6, OVERSCAN = 1<<2, AUTOJOY = 1, NMITIMEN = 0x4200, MEMSEL = 0x420d, RDNMI = 0x4210, VBLANK = 1<<7, VCNTIRQ = 1<<5, HCNTIRQ = 1<<4, }; enum { IRQPPU = 1<<7, };