static void write_v40(byte v, int count, byte*& d)
{
while (count)
{
if (v)
{
if (count < 0x100)
{
*d++ = 0x00;
*d++ = count;
*d++ = v;
break;
}
int c_write = min(count, 0x3fff);
*d++ = 0x80;
write_w(0xc000 | c_write, d);
count -= c_write;
*d++ = v;
}
else if (count < 0x80)
{
*d++ = 0x80 | count;
count = 0;
}
else
{
int c_write = count < 0x8000 ? count : 0x7fff;
*d++ = 0x80;
write_w(c_write, d);
count -= c_write;
}
}
}
void write_i(unsigned char ins)
{
i2cstart();
write_w(0x78);
write_w(0x80);
write_w(ins);
i2cstop();
}
void melps4_cpu_device::device_reset()
{
m_sm = m_sms = false;
m_ba_flag = false;
m_skip = false;
m_op = m_prev_op = 0;
m_pc = m_prev_pc = 0;
op_lcps(); // CPS=0
// clear interrupts
m_inte = 0;
m_intp = 1;
write_v(0);
write_w(0);
m_irqflag[0] = m_irqflag[1] = m_irqflag[2] = false;
m_prohibit_irq = false;
m_possible_irq = false;
// clear ports
write_d_pin(MELPS4_PORTD_CLR, 0);
write_gen_port(MELPS4_PORTS, 0);
write_gen_port(MELPS4_PORTF, 0);
write_gen_port(MELPS4_PORTG, 0);
write_gen_port(MELPS4_PORTU, 0);
m_write_t(0); m_port_t = 0;
}
static void write40_c3(byte*& w, int count, const byte* r)
{
*w++ = 0x80;
write_w(0x8000 | count, w);
memcpy(w, r, count);
w += count;
}
int CBlockFile::flush()
{
if (m_blockSize > 0)
{
write_w((const byte*)m_block, m_blockSize);
m_blockSize = 0;
}
return 0;
}
void Display_Picture(unsigned char pic[])
{
unsigned char i,j,num=0;
for(i=0;i<0x04;i++)
{
Set_Page_Address(i);
Set_Column_Address(0x00);
i2cstart();
write_w(0x78);
write_w(0x40);
for(j=0;j<0x40;j++)
{
write_w(pic[i*0x40+j]);
}
i2cstop();
}
return;
}
void write_next(t_points *it, int fd)
{
write_str("path_1=", fd);
write_nb(it->path_1[1].x, fd);
write_str(",", fd);
write_nb(it->path_1[1].y, fd);
write_str("\n", fd);
write_str("path_2=", fd);
write_nb(it->path_2[1].x, fd);
write_str(",", fd);
write_nb(it->path_2[1].y, fd);
write_str("\n", fd);
write_str("path_3=", fd);
write_nb(it->path_3[1].x, fd);
write_str(",", fd);
write_nb(it->path_3[1].y, fd);
write_str("\n", fd);
write_w(it, fd);
}
int encode40_y(const byte* last_r, const byte* r, byte* d, int cb_s)
{
// run length encoding
byte* w = d;
int count = 0;
byte last = ~(*last_r ^ *r);
while (cb_s--)
{
byte v = *last_r++ ^ *r++;
if (last == v)
count++;
else
{
write_v40(last, count, w);
count = 1;
last = v;
}
}
write_v40(last, count, w);
*w++ = 0x80;
write_w(0, w);
return w - d;
}
static void write40_c2(byte*& w, int count)
{
*w++ = 0x80;
write_w(count, w);
}
static void write40_c4(byte*& w, int count, int v)
{
*w++ = 0x80;
write_w(0xc000 | count, w);
*w++ = v;
}
