trident: added hardware cursor

This commit is contained in:
mahlemiut 2014-10-02 11:19:51 +00:00
parent d2b2f08d26
commit df901e049d
3 changed files with 320 additions and 13 deletions

View File

@ -82,9 +82,13 @@ void isa8_svga_tgui9680_device::device_start()
m_isa->install_device(0x3c0, 0x3cf, 0, 0, read8_delegate(FUNC(trident_vga_device::port_03c0_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_03c0_w),m_vga));
m_isa->install_device(0x3d0, 0x3df, 0, 0, read8_delegate(FUNC(trident_vga_device::port_03d0_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_03d0_w),m_vga));
m_isa->install_device(0x83c4, 0x83cb, 0, 0, read8_delegate(FUNC(trident_vga_device::port_83c6_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_83c6_w),m_vga));
m_isa->install_device(0x43c4, 0x43cb, 0, 0, read8_delegate(FUNC(trident_vga_device::port_43c6_r),m_vga), write8_delegate(FUNC(trident_vga_device::port_43c6_w),m_vga));
m_isa->install_memory(0xa0000, 0xbffff, 0, 0, read8_delegate(FUNC(trident_vga_device::mem_r),m_vga), write8_delegate(FUNC(trident_vga_device::mem_w),m_vga));
// uncomment to test Windows 3.1 TGUI9440AGi driver
// m_isa->install_memory(0x4400000, 0x45fffff, 0, 0, read8_delegate(FUNC(trident_vga_device::vram_r),m_vga), write8_delegate(FUNC(trident_vga_device::vram_w),m_vga));
// acceleration ports
m_isa->install_device(0x2120, 0x21ff, 0, 0, read8_delegate(FUNC(trident_vga_device::accel_r),m_vga), write8_delegate(FUNC(trident_vga_device::accel_w),m_vga));
}

View File

@ -10,6 +10,21 @@
#include "trident.h"
#include "debugger.h"
enum
{
SCREEN_OFF = 0,
TEXT_MODE,
VGA_MODE,
EGA_MODE,
CGA_MODE,
MONO_MODE,
RGB8_MODE,
RGB15_MODE,
RGB16_MODE,
RGB24_MODE,
RGB32_MODE
};
const device_type TRIDENT_VGA = &device_creator<trident_vga_device>;
#define CRTC_PORT_ADDR ((vga.miscellaneous_output&1)?0x3d0:0x3b0)
@ -168,7 +183,7 @@ void trident_vga_device::device_start()
void trident_vga_device::device_reset()
{
svga_device::device_reset();
svga.id = 0xd3; // identifies at TGUI9660XGi
svga.id = 0xd3; // identifies at TGUI9660XGi (set to 0xe3 to identify at TGUI9440AGi)
tri.revision = 0x01; // revision identifies as TGUI9680
tri.new_mode = false; // start up in old mode
tri.dac_active = false;
@ -176,9 +191,114 @@ void trident_vga_device::device_reset()
tri.mmio_active = false;
tri.sr0f = 0x6f;
tri.sr0c = 0x78;
tri.mem_clock = 0x2c6; // 50MHz default
tri.vid_clock = 0;
tri.port_3c3 = true;
tri.accel_busy = false;
tri.accel_memwrite_active = false;
// Windows 3.1 TGUI9440AGi drivers do not set the pointer colour registers?
tri.cursor_bg = 0x00000000;
tri.cursor_fg = 0xffffffff;
}
UINT32 trident_vga_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
UINT8 cur_mode = 0;
svga_device::screen_update(screen,bitmap,cliprect);
cur_mode = pc_vga_choosevideomode();
// draw hardware graphics cursor
if(tri.cursor_ctrl & 0x80) // if cursor is enabled
{
UINT32 src;
UINT32* dst;
UINT8 val;
int x,y;
UINT16 cx = tri.cursor_x & 0x0fff;
UINT16 cy = tri.cursor_y & 0x0fff;
UINT32 bg_col;
UINT32 fg_col;
UINT8 cursor_size = (tri.cursor_ctrl & 0x01) ? 64 : 32;
if(cur_mode == SCREEN_OFF || cur_mode == TEXT_MODE || cur_mode == MONO_MODE || cur_mode == CGA_MODE || cur_mode == EGA_MODE)
return 0; // cursor only works in VGA or SVGA modes
src = tri.cursor_loc * 1024; // start address is in units of 1024 bytes
if(cur_mode == RGB16_MODE)
{
bg_col = tri.cursor_bg;
fg_col = tri.cursor_fg;
}
else /* TODO: other modes */
{
bg_col = m_palette->pen(tri.cursor_bg & 0xff);
fg_col = m_palette->pen(tri.cursor_fg & 0xff);
}
for(y=0;y<cursor_size;y++)
{
UINT8 bitcount = 31;
dst = &bitmap.pix32(cy + y, cx);
for(x=0;x<cursor_size;x++)
{
UINT32 bitb = (vga.memory[(src+3) % vga.svga_intf.vram_size]
| ((vga.memory[(src+2) % vga.svga_intf.vram_size]) << 8)
| ((vga.memory[(src+1) % vga.svga_intf.vram_size]) << 16)
| ((vga.memory[(src+0) % vga.svga_intf.vram_size]) << 24));
UINT32 bita = (vga.memory[(src+7) % vga.svga_intf.vram_size]
| ((vga.memory[(src+6) % vga.svga_intf.vram_size]) << 8)
| ((vga.memory[(src+5) % vga.svga_intf.vram_size]) << 16)
| ((vga.memory[(src+4) % vga.svga_intf.vram_size]) << 24));
val = (BIT(bita << 1,bitcount+1) << 1 | BIT(bitb,bitcount));
if(tri.cursor_ctrl & 0x40)
{ // X11 mode
switch(val)
{
case 0x00:
// no change
break;
case 0x01:
dst[x] = bg_col;
break;
case 0x02:
// no change
break;
case 0x03:
dst[x] = fg_col;
break;
}
}
else
{ // Windows mode
switch(val)
{
case 0x00:
dst[x] = bg_col;
break;
case 0x01:
// no change
break;
case 0x02: // screen data
dst[x] = fg_col;
break;
case 0x03: // inverted screen data
dst[x] = ~(dst[x]);
break;
}
}
bitcount--;
if(x % 32 == 31)
{
src+=8;
bitcount=31;
}
}
}
}
return 0;
}
UINT16 trident_vga_device::offset()
@ -280,6 +400,9 @@ UINT8 trident_vga_device::trident_seq_reg_read(UINT8 index)
case 0x0f: // Power Up Mode 2
res = tri.sr0f;
break;
default:
res = vga.sequencer.data[index];
if(!LOG) logerror("Trident: Sequencer index %02x read\n",index);
}
}
if(LOG) logerror("Trident SR%02X: read %02x\n",index,res);
@ -310,7 +433,6 @@ void trident_vga_device::trident_seq_reg_write(UINT8 index, UINT8 data)
tri.sr0c = data;
break;
case 0x0d: // Mode Control 2
//svga.rgb15_en = data & 0x30; // TODO: doesn't match documentation
if(tri.new_mode)
{
tri.sr0d_new = data;
@ -340,13 +462,15 @@ void trident_vga_device::trident_seq_reg_write(UINT8 index, UINT8 data)
case 0x0f: // Power Up Mode 2
tri.sr0f = data;
break;
default:
if(!LOG) logerror("Trident: Sequencer index %02x read\n",index);
}
}
}
UINT8 trident_vga_device::trident_crtc_reg_read(UINT8 index)
{
UINT8 res;
UINT8 res = 0;
if(index <= 0x18)
res = crtc_reg_read(index);
@ -363,6 +487,13 @@ UINT8 trident_vga_device::trident_crtc_reg_read(UINT8 index)
case 0x21:
res = tri.cr21;
break;
case 0x24:
if(vga.attribute.state != 0)
res |= 0x80;
break;
case 0x26:
res = vga.attribute.index;
break;
case 0x27:
res = (vga.crtc.start_addr & 0x60000) >> 17;
break;
@ -375,11 +506,60 @@ UINT8 trident_vga_device::trident_crtc_reg_read(UINT8 index)
case 0x39:
res = tri.cr39;
break;
case 0x40:
res = (tri.cursor_x & 0x00ff);
break;
case 0x41:
res = (tri.cursor_x & 0xff00) >> 8;
break;
case 0x42:
res = (tri.cursor_y & 0x00ff);
break;
case 0x43:
res = (tri.cursor_y & 0xff00) >> 8;
break;
case 0x44:
res = (tri.cursor_loc & 0x00ff);
break;
case 0x45:
res = (tri.cursor_loc & 0xff00) >> 8;
break;
case 0x46:
res = tri.cursor_x_off;
break;
case 0x47:
res = tri.cursor_y_off;
break;
case 0x48:
res = (tri.cursor_fg & 0x000000ff);
break;
case 0x49:
res = (tri.cursor_fg & 0x0000ff00) >> 8;
break;
case 0x4a:
res = (tri.cursor_fg & 0x00ff0000) >> 16;
break;
case 0x4b:
res = (tri.cursor_fg & 0xff000000) >> 24;
break;
case 0x4c:
res = (tri.cursor_bg & 0x000000ff);
break;
case 0x4d:
res = (tri.cursor_bg & 0x0000ff00) >> 8;
break;
case 0x4e:
res = (tri.cursor_bg & 0x00ff0000) >> 16;
break;
case 0x4f:
res = (tri.cursor_bg & 0xff000000) >> 24;
break;
case 0x50:
res = tri.cr50;
res = tri.cursor_ctrl;
break;
default:
res = vga.crtc.data[index];
if(!LOG) logerror("Trident: CRTC index %02x read\n",index);
break;
}
}
@ -403,14 +583,14 @@ void trident_vga_device::trident_crtc_reg_write(UINT8 index, UINT8 data)
vga.crtc.start_addr = (vga.crtc.start_addr & 0xfffeffff) | ((data & 0x20)<<11);
break;
case 0x1f:
tri.cr1f = data; // "Software Programming Register" written to by software (BIOS?)
tri.cr1f = data; // "Software Programming Register" written to by the BIOS
break;
case 0x21: // Linear aperture
tri.cr21 = data;
tri.linear_address = ((data & 0xc0)<<18) | ((data & 0x0f)<<20);
tri.linear_active = data & 0x20;
if(tri.linear_active)
popmessage("Trident: Linear Aperture active - %08x, %s",tri.linear_address,(tri.cr21 & 0x10) ? "2MB" : "1MB" );
//if(tri.linear_active)
//popmessage("Trident: Linear Aperture active - %08x, %s",tri.linear_address,(tri.cr21 & 0x10) ? "2MB" : "1MB" );
break;
case 0x27:
vga.crtc.start_addr = (vga.crtc.start_addr & 0xfff9ffff) | ((data & 0x03)<<17);
@ -420,6 +600,9 @@ void trident_vga_device::trident_crtc_reg_write(UINT8 index, UINT8 data)
vga.crtc.offset = (vga.crtc.offset & 0xfeff) | ((data & 0x10)<<4);
break;
case 0x38:
// bit 0: 16 bit bus
// bits 2-3: pixel depth (1=15/16bit, 2=24/32bit, 0=anything else)
// bit 5: packed mode
tri.pixel_depth = data;
trident_define_video_mode();
break;
@ -429,11 +612,59 @@ void trident_vga_device::trident_crtc_reg_write(UINT8 index, UINT8 data)
if(tri.mmio_active)
popmessage("Trident: MMIO activated");
break;
case 0x40:
tri.cursor_x = (tri.cursor_x & 0xff00) | data;
break;
case 0x41:
tri.cursor_x = (tri.cursor_x & 0x00ff) | (data << 8);
break;
case 0x42:
tri.cursor_y = (tri.cursor_y & 0xff00) | data;
break;
case 0x43:
tri.cursor_y = (tri.cursor_y & 0x00ff) | (data << 8);
break;
case 0x44:
tri.cursor_loc = (tri.cursor_loc & 0xff00) | data;
break;
case 0x45:
tri.cursor_loc = (tri.cursor_loc & 0x00ff) | (data << 8);
break;
case 0x46:
tri.cursor_x_off = data;
break;
case 0x47:
tri.cursor_y_off = data;
break;
case 0x48:
tri.cursor_fg = (tri.cursor_fg & 0xffffff00) | data;
break;
case 0x49:
tri.cursor_fg = (tri.cursor_fg & 0xffff00ff) | (data << 8);
break;
case 0x4a:
tri.cursor_fg = (tri.cursor_fg & 0xff00ffff) | (data << 16);
break;
case 0x4b:
tri.cursor_fg = (tri.cursor_fg & 0x00ffffff) | (data << 24);
break;
case 0x4c:
tri.cursor_bg = (tri.cursor_bg & 0xffffff00) | data;
break;
case 0x4d:
tri.cursor_bg = (tri.cursor_bg & 0xffff00ff) | (data << 8);
break;
case 0x4e:
tri.cursor_bg = (tri.cursor_bg & 0xff00ffff) | (data << 16);
break;
case 0x4f:
tri.cursor_bg = (tri.cursor_bg & 0x00ffffff) | (data << 24);
break;
case 0x50:
tri.cr50 = data;
tri.cursor_ctrl = data;
break;
default:
//logerror("Trident: 3D4 index %02x write %02x\n",index,data);
if(!LOG) logerror("Trident: 3D4 index %02x write %02x\n",index,data);
break;
}
}
@ -460,6 +691,7 @@ UINT8 trident_vga_device::trident_gc_reg_read(UINT8 index)
break;
default:
res = 0xff;
if(!LOG) logerror("Trident: Sequencer index %02x read\n",index);
break;
}
}
@ -491,7 +723,7 @@ void trident_vga_device::trident_gc_reg_write(UINT8 index, UINT8 data)
tri.gc2f = data;
break;
default:
//logerror("Trident: Unimplemented GC register %02x write %02x\n",index,data);
if(!LOG) logerror("Trident: Unimplemented GC register %02x write %02x\n",index,data);
break;
}
}
@ -644,6 +876,62 @@ WRITE8_MEMBER(trident_vga_device::port_03d0_w)
}
}
READ8_MEMBER(trident_vga_device::port_43c6_r)
{
UINT8 res = 0xff;
switch(offset)
{
case 2:
res = tri.mem_clock & 0xff;
break;
case 3:
res = tri.mem_clock >> 8;
break;
case 4:
res = tri.vid_clock & 0xff;
break;
case 5:
res = tri.vid_clock >> 8;
break;
}
return res;
}
WRITE8_MEMBER(trident_vga_device::port_43c6_w)
{
switch(offset)
{
case 2:
if(tri.sr0e_new & 0x02 && tri.sr0e_new & 0x40)
{
tri.mem_clock = (tri.mem_clock & 0xff00) | (data);
if(LOG) logerror("Trident: Memory clock write %04x\n",tri.mem_clock);
}
break;
case 3:
if(tri.sr0e_new & 0x02 && tri.sr0e_new & 0x40)
{
tri.mem_clock = (tri.mem_clock & 0x00ff) | (data << 8);
if(LOG) logerror("Trident: Memory clock write %04x\n",tri.mem_clock);
}
break;
case 4:
if(tri.sr0e_new & 0x02 && tri.sr0e_new & 0x40)
{
tri.vid_clock = (tri.vid_clock & 0xff00) | (data);
if(LOG) logerror("Trident: Video clock write %04x\n",tri.vid_clock);
}
break;
case 5:
if(tri.sr0e_new & 0x02 && tri.sr0e_new & 0x40)
{
tri.vid_clock = (tri.vid_clock & 0x00ff) | (data << 8);
if(LOG) logerror("Trident: Video clock write %04x\n",tri.vid_clock);
}
break;
}
}
READ8_MEMBER(trident_vga_device::port_83c6_r)
{
UINT8 res = 0xff;

View File

@ -22,8 +22,10 @@ public:
virtual WRITE8_MEMBER(port_03d0_w);
DECLARE_READ8_MEMBER(port_83c6_r);
DECLARE_WRITE8_MEMBER(port_83c6_w);
DECLARE_READ8_MEMBER(vram_r) { if (svga.rgb8_en || svga.rgb15_en || svga.rgb16_en || svga.rgb32_en) return vga.memory[offset % vga.svga_intf.vram_size]; else return 0xff; }
DECLARE_WRITE8_MEMBER(vram_w) { if (svga.rgb8_en || svga.rgb15_en || svga.rgb16_en || svga.rgb32_en) vga.memory[offset % vga.svga_intf.vram_size] = data; }
DECLARE_READ8_MEMBER(port_43c6_r);
DECLARE_WRITE8_MEMBER(port_43c6_w);
DECLARE_READ8_MEMBER(vram_r) { if (tri.linear_active) return vga.memory[offset % vga.svga_intf.vram_size]; else return 0xff; }
DECLARE_WRITE8_MEMBER(vram_w) { if (tri.linear_active) vga.memory[offset % vga.svga_intf.vram_size] = data; }
virtual READ8_MEMBER(mem_r);
virtual WRITE8_MEMBER(mem_w);
virtual UINT16 offset();
@ -31,9 +33,12 @@ public:
DECLARE_READ8_MEMBER(accel_r);
DECLARE_WRITE8_MEMBER(accel_w);
virtual UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
protected:
virtual void device_start();
virtual void device_reset();
struct
{
UINT8 sr0c;
@ -50,7 +55,6 @@ protected:
UINT8 cr21;
UINT8 cr29;
UINT8 cr39;
UINT8 cr50;
UINT8 dac;
bool new_mode;
bool port_3c3;
@ -62,6 +66,17 @@ protected:
UINT32 linear_address;
bool linear_active;
bool mmio_active;
// TGUI9440 only?
UINT16 mem_clock; // I/O 0x43c6
UINT16 vid_clock; // I/O 0x43c8
UINT16 cursor_x;
UINT16 cursor_y;
UINT16 cursor_loc;
UINT8 cursor_x_off;
UINT8 cursor_y_off;
UINT32 cursor_fg; // colour
UINT32 cursor_bg; // colour
UINT8 cursor_ctrl;
// 2D acceleration
UINT16 accel_opermode;