// BEGIN ARDUINO86 USER CONFIGURABLE OPTIONS

//SRAM_SIZE should be your total size MINUS 16384 bytes, or if
//using networking 19456 bytes! The top of your SRAM needs to
//be used for CGA video and optionally ethernet packet memory.
//if you have more than 656 KB of RAM accessible, enter 655360
//or if more than 659 KB when using networking.

#define SRAM_SIZE 655360UL

#define regax 0
#define regcx 1
#define regdx 2
#define regbx 3
#define regsp 4
#define regbp 5
#define regsi 6
#define regdi 7
#define reges 0
#define regcs 1
#define regss 2
#define regds 3

#define regal 0
#define regah 1
#define regcl 2
#define regch 3
#define regdl 4
#define regdh 5
#define regbl 6
#define regbh 7

#define StepIP(x) ip+=x
#define getmem8(x,y) read86(segbase(x)+(uint32_t)y)
//#define getmem16(x,y) (read86(segbase(x)+y) | ((uint16_t)read86(segbase(x)+y+1)<<8))
#define getmem16(x,y) readw86(segbase(x)+(uint32_t)y)
#define putmem8(x,y,z) write86(segbase(x)+(uint32_t)y, z)
//#define putmem16(x,y,z) write86(segbase(x)+y, ((z)&0xFF)); write86(segbase(x)+y+1, (((z)>>8)&0xFF))
#define putmem16(x,y,z) writew86(segbase(x)+(uint32_t)y, z)
#define signext(value) ((((uint16_t)value&0x80)*0x1FE)|(uint16_t)value)
#define signext32(value) ((((uint32_t)value&0x8000)*0x1FFFE)|(uint32_t)value)
#define getreg16(regid) regs.wordregs[regid]
#define getreg8(regid) regs.byteregs[byteregtable[regid]]
#define putreg16(regid, writeval) regs.wordregs[regid] = writeval
#define putreg8(regid, writeval) regs.byteregs[byteregtable[regid]] = writeval
#define getsegreg(regid) segregs[regid]
#define putsegreg(regid, writeval) segregs[regid] = writeval
#define segbase(x) ((uint32_t)x<<4)

#define makeflagsword() (2 | (uint16_t)cf | ((uint16_t)pf << 2) | ((uint16_t)af << 4) | ((uint16_t)zf << 6) \
        | ((uint16_t)sf << 7) | ((uint16_t)tf << 8) | ((uint16_t)ifl << 9) | ((uint16_t)df << 10) | ((uint16_t)of << 11))

#define decodeflagsword(x) {\
        temp16 = x;\
        cf = temp16 & 1;\
        pf = (temp16 >> 2) & 1;\
        af = (temp16 >> 4) & 1;\
        zf = (temp16 >> 6) & 1;\
        sf = (temp16 >> 7) & 1;\
        tf = (temp16 >> 8) & 1;\
        ifl = (temp16 >> 9) & 1;\
        df = (temp16 >> 10) & 1;\
        of = (temp16 >> 11) & 1;\
}