static void IntReq(int num)
{
UINT32 IntEn=program_read_dword_32le(0x01800c08);
UINT32 IntPend=program_read_dword_32le(0x01800c0c);
if(IntEn&(1<<num))
{
IntPend|=(1<<num);
program_write_dword_32le(0x01800c0c,IntPend);
cpunum_set_input_line(0,SE3208_INT,ASSERT_LINE);
}
#ifdef IDLE_LOOP_SPEEDUP
FlipCntRead=0;
cpunum_resume(0,SUSPEND_REASON_SPIN);
#endif
}
INLINE UINT32 read_dword_unaligned(UINT32 address)
{
if (address & 3)
return program_read_byte_32le(address) | program_read_byte_32le(address+1)<<8 | program_read_byte_32le(address+2)<<16 | program_read_byte_32le(address+3)<<24;
else
return program_read_dword_32le(address);
}
INLINE UINT32 READLONG(offs_t address)
{
/* aligned reads are easy */
if (!(address & 3))
return program_read_dword_32le(address);
/* misaligned reads are tricky */
return program_read_dword_32le(address & ~3) >> (address & 3);
}
static READ32_HANDLER(FlipCount_r)
{
#ifdef IDLE_LOOP_SPEEDUP
UINT32 IntPend=program_read_dword_32le(0x01800c0c);
FlipCntRead++;
if(FlipCntRead>=16 && !IntPend && FlipCount!=0)
cpunum_suspend(0,SUSPEND_REASON_SPIN,1);
#endif
return ((UINT32) FlipCount)<<16;
}
INLINE UINT32 cpu_read32( int addr )
{
UINT32 result = program_read_dword_32le(addr&ADDRESS_MASK);
/* Unaligned reads rotate the word, they never combine words */
if (addr&3) {
if (ARM_DEBUG_CORE && addr&1)
logerror("%08x: Unaligned byte read %08x\n",R15,addr);
if ((addr&3)==1)
return ((result&0x000000ff)<<24)|((result&0xffffff00)>> 8);
if ((addr&3)==2)
return ((result&0x0000ffff)<<16)|((result&0xffff0000)>>16);
if ((addr&3)==3)
return ((result&0x00ffffff)<< 8)|((result&0xff000000)>>24);
}
return result;
}
INLINE UINT32 arm7_cpu_read32( int addr )
{
UINT32 result = 0;
/*Handle through normal 32 bit handler */
result = program_read_dword_32le(addr);
/* Unaligned reads rotate the word, they never combine words */
if (addr&3) {
#if ARM7_DEBUG_CORE
if(addr&1)
LOG(("%08x: Unaligned byte read %08x\n",R15,addr));
#endif
if ((addr&3)==3)
return ((result&0x000000ff)<<24)|((result&0xffffff00)>> 8);
if ((addr&3)==2)
return ((result&0x0000ffff)<<16)|((result&0xffff0000)>>16);
if ((addr&3)==1)
return ((result&0x00ffffff)<< 8)|((result&0xff000000)>>24);
}
return result;
}
INLINE void WWORD(offs_t addr, UINT16 data)
{
if (addr & 1) fprintf(stderr, "Unaligned word write @ %06X, PC=%06X\n", addr, dsp32.PC);
program_read_dword_32le((addr), data);
}
