ygv608.cpp: kill legacy code (nw)

This commit is contained in:
angelosa 2017-09-27 22:26:54 +02:00
parent b3f2d43d91
commit 1f3a452cd0
2 changed files with 12 additions and 62 deletions

View File

@ -958,13 +958,8 @@ TILE_GET_INFO_MEMBER( ygv608_device::get_tile_info_B_16 )
void ygv608_device::postload()
{
int i;
m_screen_resize = 1;
m_tilemap_resize = 1;
for(i = 0; i < 50; i++)
SetPostShortcuts(i);
}
void ygv608_device::register_state_save()
@ -1652,9 +1647,7 @@ WRITE8_MEMBER( ygv608_device::register_data_w )
uint8_t regNum = m_register_address & 0x3f;
//logerror( "R#%d = $%02X\n", regNum, data );
SetPreShortcuts (regNum, data);
m_regs.b[regNum] = data;
SetPostShortcuts (regNum);
m_iospace->write_byte(regNum, data);
if (m_register_autoinc_w == true)
@ -1708,8 +1701,6 @@ WRITE8_MEMBER( ygv608_device::system_control_w )
// TODO: actual timing of this
void ygv608_device::HandleYGV608Reset()
{
int i;
/* Clear ports #0-7 */
memset( &m_ports.b[0], 0, 8 );
@ -1723,12 +1714,6 @@ void ygv608_device::HandleYGV608Reset()
SPRITE_ATTR_TABLE_SIZE );
memset( m_scroll_data_table, 0, 2*256 );
memset( m_colour_palette, 0, 256*3 );
/* should set shortcuts here too */
for( i=0; i<50; i++ ) {
//SetPreShortcuts( i );
SetPostShortcuts( i );
}
}
/*
@ -1737,7 +1722,6 @@ void ygv608_device::HandleYGV608Reset()
it for testing trojan ROM software.
- So leave it in!
*/
void ygv608_device::HandleRomTransfers(uint8_t type)
{
popmessage("ROM DMA used %02x",type);
@ -2281,10 +2265,15 @@ WRITE8_MEMBER( ygv608_device::crtc_w )
case 40:
{
int new_display_width = (data & 0x3f) * 16;
m_crtc.htotal &= ~0x600;
m_crtc.htotal |= (data & 0xc0) << 3;
m_crtc.display_width = (data & 0x3f) * 16;
if(new_display_width != m_crtc.display_width)
m_screen_resize = 1;
m_crtc.display_width = new_display_width;
break;
}
@ -2313,9 +2302,13 @@ WRITE8_MEMBER( ygv608_device::crtc_w )
case 44:
{
// TODO: VSLS, bit 6
int new_display_height = (data & 0x3f) * 8;
m_crtc.display_height = (data & 0x3f) * 8;
// TODO: VSLS, bit 6
if(new_display_height != m_crtc.display_height)
m_screen_resize = 1;
m_crtc.display_height = new_display_height;
break;
}
@ -2366,47 +2359,6 @@ void ygv608_device::screen_configure()
m_vblank_timer->adjust(m_screen->time_until_pos(m_crtc.display_height,0), 0, m_screen->frame_period());
}
// Set any "short-cut" variables before we update the YGV608 registers
// - these are used only in optimisation of the emulation
void ygv608_device::SetPreShortcuts( int reg, int data )
{
switch( reg ) {
case 40 :
if( ( ( data >> HDW_SHIFT ) & HDW_MASK ) != (m_regs.s.r40 & r40_hdw))
m_screen_resize = 1;
break;
case 44 :
if( ( ( data >> VDW_SHIFT ) & VDW_MASK ) != (m_regs.s.r44 & r44_vdw))
m_screen_resize = 1;
break;
}
}
// Set any "short-cut" variables after we have updated the YGV608 registers
// - these are used only in optimisation of the emulation
// TODO: actually this is legacy code that needs to go away
void ygv608_device::SetPostShortcuts(int reg )
{
switch (reg)
{
case 11 :
//ShowYGV608Registers();
break;
}
}
void ygv608_device::ShowYGV608Registers()
{

View File

@ -219,8 +219,6 @@ private:
void HandleYGV608Reset();
void HandleRomTransfers(uint8_t type);
void SetPreShortcuts(int reg, int data );
void SetPostShortcuts(int reg);
void ShowYGV608Registers();
union {