mirror of
https://github.com/holub/mame
synced 2025-04-20 15:32:45 +03:00
trident: implemented basic bitblt and bresenham line functions.
This commit is contained in:
mahlemiut
parent
ea0ad67247
commit
9c5a088cd4
@ -14,6 +14,12 @@ const device_type TRIDENT_VGA = &device_creator<trident_vga_device>;
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#define CRTC_PORT_ADDR ((vga.miscellaneous_output&1)?0x3d0:0x3b0)
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#define READPIXEL8(x,y) (vga.memory[(y*offset() + x) % vga.svga_intf.vram_size])
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#define WRITEPIXEL8(x,y,c) if(x<tri.accel_dest_y_clip && y<tri.accel_dest_y_clip) \
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(vga.memory[(y*offset() + x) % vga.svga_intf.vram_size] = c)
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#define LOG (1)
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trident_vga_device::trident_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: svga_device(mconfig, TRIDENT_VGA, "Trident TGUI9680", tag, owner, clock, "trident_vga", __FILE__)
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{
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@ -41,6 +47,7 @@ void trident_vga_device::device_start()
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save_pointer(vga.crtc.data,"CRTC Registers",0x100);
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save_pointer(vga.sequencer.data,"Sequencer Registers",0x100);
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save_pointer(vga.attribute.data,"Attribute Registers", 0x15);
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save_pointer(tri.accel_pattern,"Pattern Data", 0x80);
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m_vblank_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(vga_device::vblank_timer_cb),this));
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vga.svga_intf.seq_regcount = 0x0f;
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@ -164,7 +171,7 @@ UINT8 trident_vga_device::trident_seq_reg_read(UINT8 index)
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break;
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}
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}
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logerror("Trident SR%02X: read %02x\n",index,res);
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if(LOG) logerror("Trident SR%02X: read %02x\n",index,res);
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return res;
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}
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@ -178,7 +185,7 @@ void trident_vga_device::trident_seq_reg_write(UINT8 index, UINT8 data)
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}
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else
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{
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logerror("Trident SR%02X: %s mode write %02x\n",index,tri.new_mode ? "new" : "old",data);
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if(LOG) logerror("Trident SR%02X: %s mode write %02x\n",index,tri.new_mode ? "new" : "old",data);
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switch(index)
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{
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case 0x0b:
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@ -265,7 +272,7 @@ UINT8 trident_vga_device::trident_crtc_reg_read(UINT8 index)
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break;
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}
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}
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logerror("Trident CR%02X: read %02x\n",index,res);
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if(LOG) logerror("Trident CR%02X: read %02x\n",index,res);
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return res;
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}
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void trident_vga_device::trident_crtc_reg_write(UINT8 index, UINT8 data)
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@ -277,7 +284,7 @@ void trident_vga_device::trident_crtc_reg_write(UINT8 index, UINT8 data)
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}
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else
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{
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logerror("Trident CR%02X: write %02x\n",index,data);
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if(LOG) logerror("Trident CR%02X: write %02x\n",index,data);
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switch(index)
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{
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case 0x1e: // Module Testing Register
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@ -345,7 +352,7 @@ UINT8 trident_vga_device::trident_gc_reg_read(UINT8 index)
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break;
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}
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}
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logerror("Trident GC%02X: read %02x\n",index,res);
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if(LOG) logerror("Trident GC%02X: read %02x\n",index,res);
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return res;
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}
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@ -355,7 +362,7 @@ void trident_vga_device::trident_gc_reg_write(UINT8 index, UINT8 data)
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gc_reg_write(index,data);
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else
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{
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logerror("Trident GC%02X: write %02x\n",index,data);
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if(LOG) logerror("Trident GC%02X: write %02x\n",index,data);
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switch(index)
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{
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case 0x0e: // New Source Address Register (bit 1 is inverted here, also)
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@ -524,11 +531,11 @@ READ8_MEMBER(trident_vga_device::port_83c6_r)
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{
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case 2:
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res = port_03c0_r(space,5,mem_mask);
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logerror("Trident: 83c6 read %02x\n",res);
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if(LOG) logerror("Trident: 83c6 read %02x\n",res);
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break;
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case 4:
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res = vga.sequencer.index;
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logerror("Trident: 83c8 seq read %02x\n",res);
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if(LOG) logerror("Trident: 83c8 seq read %02x\n",res);
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break;
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}
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return res;
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@ -539,11 +546,11 @@ WRITE8_MEMBER(trident_vga_device::port_83c6_w)
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switch(offset)
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{
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case 2:
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logerror("Trident: 83c6 seq write %02x\n",data);
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if(LOG) logerror("Trident: 83c6 seq write %02x\n",data);
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port_03c0_w(space,5,data,mem_mask);
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break;
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case 4:
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logerror("Trident: 83c8 seq index write %02x\n",data);
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if(LOG) logerror("Trident: 83c8 seq index write %02x\n",data);
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vga.sequencer.index = data;
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break;
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}
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@ -696,255 +703,357 @@ WRITE8_MEMBER(trident_vga_device::accel_w)
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{
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case 0x02: // Operation Mode
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tri.accel_opermode = (tri.accel_opermode & 0xff00) | data;
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logerror("Trident: Operation Mode set to %04x\n",tri.accel_opermode);
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if(LOG) logerror("Trident: Operation Mode set to %04x\n",tri.accel_opermode);
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break;
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case 0x03:
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tri.accel_opermode = (tri.accel_opermode & 0x00ff) | (data << 8);
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logerror("Trident: Operation Mode set to %04x\n",tri.accel_opermode);
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if(LOG) logerror("Trident: Operation Mode set to %04x\n",tri.accel_opermode);
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break;
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case 0x04: // Command register
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tri.accel_command = data;
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switch(data)
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{
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case 0x00:
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logerror("Trident: Command: NOP\n");
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break;
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case 0x01:
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logerror("Trident: Command: BitBLT ROP3\n");
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break;
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case 0x02:
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logerror("Trident: Command: BitBLT ROP4\n");
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break;
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case 0x03:
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logerror("Trident: Command: Scanline\n");
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break;
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case 0x04:
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logerror("Trident: Command: Bresenham Line\n");
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break;
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case 0x05:
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logerror("Trident: Command: Short Vector\n");
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break;
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case 0x06:
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logerror("Trident: Command: Fast Line\n");
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break;
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case 0x07:
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logerror("Trident: Command: Trapezoid Fill\n");
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break;
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case 0x08:
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logerror("Trident: Command: Ellipse\n");
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break;
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case 0x09:
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logerror("Trident: Command: Ellipse Fill\n");
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break;
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default:
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logerror("Trident: Unknown acceleration command %02x\n",data);
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}
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accel_command();
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break;
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case 0x07: // Foreground Mix?
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tri.accel_fmix = data;
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logerror("Trident: FMIX set to %02x\n",data);
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if(LOG) logerror("Trident: FMIX set to %02x\n",data);
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break;
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case 0x08: // Draw flags
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tri.accel_drawflags = (tri.accel_drawflags & 0xffffff00) | data;
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logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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if(LOG) logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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break;
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case 0x09:
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tri.accel_drawflags = (tri.accel_drawflags & 0xffff00ff) | (data << 8);
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logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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if(LOG) logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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break;
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case 0x0a:
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tri.accel_drawflags = (tri.accel_drawflags & 0xff00ffff) | (data << 16);
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logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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if(LOG) logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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break;
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case 0x0b:
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tri.accel_drawflags = (tri.accel_drawflags & 0x00ffffff) | (data << 24);
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logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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if(LOG) logerror("Trident: Draw flags set to %08x\n",tri.accel_drawflags);
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break;
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case 0x0c: // Foreground Colour
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tri.accel_fgcolour = (tri.accel_fgcolour & 0xffffff00) | data;
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logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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if(LOG) logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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break;
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case 0x0d:
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tri.accel_fgcolour = (tri.accel_fgcolour & 0xffff00ff) | (data << 8);
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logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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if(LOG) logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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break;
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case 0x0e:
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tri.accel_fgcolour = (tri.accel_fgcolour & 0xff00ffff) | (data << 16);
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logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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if(LOG) logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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break;
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case 0x0f:
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tri.accel_fgcolour = (tri.accel_fgcolour & 0x00ffffff) | (data << 24);
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logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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if(LOG) logerror("Trident: Foreground Colour set to %08x\n",tri.accel_fgcolour);
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break;
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case 0x10: // Background Colour
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tri.accel_bgcolour = (tri.accel_bgcolour & 0xffffff00) | data;
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logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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if(LOG) logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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break;
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case 0x11:
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tri.accel_bgcolour = (tri.accel_bgcolour & 0xffff00ff) | (data << 8);
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logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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if(LOG) logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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break;
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case 0x12:
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tri.accel_bgcolour = (tri.accel_bgcolour & 0xff00ffff) | (data << 16);
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logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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if(LOG) logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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break;
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case 0x13:
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tri.accel_bgcolour = (tri.accel_bgcolour & 0x00ffffff) | (data << 24);
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logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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if(LOG) logerror("Trident: Background Colour set to %08x\n",tri.accel_bgcolour);
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break;
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case 0x14: // Pattern Location
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tri.accel_pattern_loc = (tri.accel_pattern_loc & 0xff00) | data;
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logerror("Trident: Pattern Location set to %04x\n",tri.accel_pattern_loc);
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if(LOG) logerror("Trident: Pattern Location set to %04x\n",tri.accel_pattern_loc);
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debugger_break(machine());
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break;
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case 0x15:
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tri.accel_pattern_loc = (tri.accel_pattern_loc & 0x00ff) | (data << 8);
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logerror("Trident: Pattern Location set to %04x\n",tri.accel_pattern_loc);
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if(LOG) logerror("Trident: Pattern Location set to %04x\n",tri.accel_pattern_loc);
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debugger_break(machine());
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break;
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case 0x18: // Destination X
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tri.accel_dest_x = (tri.accel_dest_x & 0xff00) | data;
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logerror("Trident: Destination X set to %04x\n",tri.accel_dest_x);
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if(LOG) logerror("Trident: Destination X set to %04x\n",tri.accel_dest_x);
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break;
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case 0x19:
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tri.accel_dest_x = (tri.accel_dest_x & 0x00ff) | (data << 8);
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logerror("Trident: Destination X set to %04x\n",tri.accel_dest_x);
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if(LOG) logerror("Trident: Destination X set to %04x\n",tri.accel_dest_x);
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break;
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case 0x1a: // Destination Y
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tri.accel_dest_y = (tri.accel_dest_y & 0xff00) | data;
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logerror("Trident: Destination Y set to %04x\n",tri.accel_dest_y);
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if(LOG) logerror("Trident: Destination Y set to %04x\n",tri.accel_dest_y);
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break;
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case 0x1b:
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tri.accel_dest_y = (tri.accel_dest_y & 0x00ff) | (data << 8);
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logerror("Trident: Destination Y set to %04x\n",tri.accel_dest_y);
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if(LOG) logerror("Trident: Destination Y set to %04x\n",tri.accel_dest_y);
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break;
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case 0x1c: // Source X
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tri.accel_source_x = (tri.accel_source_x & 0xff00) | data;
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logerror("Trident: Source X set to %04x\n",tri.accel_source_x);
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if(LOG) logerror("Trident: Source X set to %04x\n",tri.accel_source_x);
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break;
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case 0x1d:
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tri.accel_source_x = (tri.accel_source_x & 0x00ff) | (data << 8);
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logerror("Trident: Source X set to %04x\n",tri.accel_source_x);
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if(LOG) logerror("Trident: Source X set to %04x\n",tri.accel_source_x);
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break;
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case 0x1e: // Source Y
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tri.accel_source_y = (tri.accel_source_y & 0xff00) | data;
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logerror("Trident: Source Y set to %04x\n",tri.accel_source_y);
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if(LOG) logerror("Trident: Source Y set to %04x\n",tri.accel_source_y);
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break;
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case 0x1f:
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tri.accel_source_y = (tri.accel_source_y & 0x00ff) | (data << 8);
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logerror("Trident: Source Y set to %04x\n",tri.accel_source_y);
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if(LOG) logerror("Trident: Source Y set to %04x\n",tri.accel_source_y);
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break;
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case 0x20: // Dimension(?) X
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tri.accel_dim_x = (tri.accel_dim_x & 0xff00) | data;
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logerror("Trident: Dimension X set to %04x\n",tri.accel_dim_x);
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if(LOG) logerror("Trident: Dimension X set to %04x\n",tri.accel_dim_x);
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break;
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case 0x21:
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tri.accel_dim_x = (tri.accel_dim_x & 0x00ff) | (data << 8);
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logerror("Trident: Dimension X set to %04x\n",tri.accel_dim_x);
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if(LOG) logerror("Trident: Dimension X set to %04x\n",tri.accel_dim_x);
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break;
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case 0x22: // Dimension(?) Y
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tri.accel_dim_y = (tri.accel_dim_y & 0xff00) | data;
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logerror("Trident: Dimension y set to %04x\n",tri.accel_dim_y);
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if(LOG) logerror("Trident: Dimension y set to %04x\n",tri.accel_dim_y);
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break;
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case 0x23:
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tri.accel_dim_y = (tri.accel_dim_y & 0x00ff) | (data << 8);
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logerror("Trident: Dimension y set to %04x\n",tri.accel_dim_y);
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if(LOG) logerror("Trident: Dimension y set to %04x\n",tri.accel_dim_y);
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break;
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case 0x24: // Style
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tri.accel_style = (tri.accel_style & 0xffffff00) | data;
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logerror("Trident: Style set to %08x\n",tri.accel_style);
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if(LOG) logerror("Trident: Style set to %08x\n",tri.accel_style);
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break;
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case 0x25:
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tri.accel_style = (tri.accel_style & 0xffff00ff) | (data << 8);
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logerror("Trident: Style set to %08x\n",tri.accel_style);
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if(LOG) logerror("Trident: Style set to %08x\n",tri.accel_style);
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break;
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case 0x26:
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tri.accel_style = (tri.accel_style & 0xff00ffff) | (data << 16);
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logerror("Trident: Style set to %08x\n",tri.accel_style);
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if(LOG) logerror("Trident: Style set to %08x\n",tri.accel_style);
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break;
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case 0x27:
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tri.accel_style = (tri.accel_style & 0x00ffffff) | (data << 24);
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logerror("Trident: Style set to %08x\n",tri.accel_style);
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if(LOG) logerror("Trident: Style set to %08x\n",tri.accel_style);
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break;
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case 0x28: // Source Clip X
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tri.accel_source_x_clip = (tri.accel_source_x_clip & 0xff00) | data;
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logerror("Trident: Source X Clip set to %04x\n",tri.accel_source_x_clip);
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if(LOG) logerror("Trident: Source X Clip set to %04x\n",tri.accel_source_x_clip);
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break;
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case 0x29:
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tri.accel_source_x_clip = (tri.accel_source_x_clip & 0x00ff) | (data << 8);
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logerror("Trident: Source X Clip set to %04x\n",tri.accel_source_x_clip);
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if(LOG) logerror("Trident: Source X Clip set to %04x\n",tri.accel_source_x_clip);
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break;
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case 0x2a: // Source Clip Y
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tri.accel_source_y_clip = (tri.accel_source_y_clip & 0xff00) | data;
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logerror("Trident: Source Y Clip set to %04x\n",tri.accel_source_y_clip);
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if(LOG) logerror("Trident: Source Y Clip set to %04x\n",tri.accel_source_y_clip);
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break;
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case 0x2b:
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tri.accel_source_y_clip = (tri.accel_source_y_clip & 0x00ff) | (data << 8);
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logerror("Trident: Source Y Clip set to %04x\n",tri.accel_source_y_clip);
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if(LOG) logerror("Trident: Source Y Clip set to %04x\n",tri.accel_source_y_clip);
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break;
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case 0x2c: // Destination Clip X
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tri.accel_dest_x_clip = (tri.accel_dest_x_clip & 0xff00) | data;
|
||||
logerror("Trident: Destination X Clip set to %04x\n",tri.accel_dest_x_clip);
|
||||
if(LOG) logerror("Trident: Destination X Clip set to %04x\n",tri.accel_dest_x_clip);
|
||||
break;
|
||||
case 0x2d:
|
||||
tri.accel_dest_x_clip = (tri.accel_dest_x_clip & 0x00ff) | (data << 8);
|
||||
logerror("Trident: Destination X Clip set to %04x\n",tri.accel_dest_x_clip);
|
||||
if(LOG) logerror("Trident: Destination X Clip set to %04x\n",tri.accel_dest_x_clip);
|
||||
break;
|
||||
case 0x2e: // Destination Clip Y
|
||||
tri.accel_dest_y_clip = (tri.accel_dest_y_clip & 0xff00) | data;
|
||||
logerror("Trident: Destination Y Clip set to %04x\n",tri.accel_dest_y_clip);
|
||||
if(LOG) logerror("Trident: Destination Y Clip set to %04x\n",tri.accel_dest_y_clip);
|
||||
break;
|
||||
case 0x2f:
|
||||
tri.accel_dest_y_clip = (tri.accel_dest_y_clip & 0x00ff) | (data << 8);
|
||||
logerror("Trident: Destination Y Clip set to %04x\n",tri.accel_dest_y_clip);
|
||||
if(LOG) logerror("Trident: Destination Y Clip set to %04x\n",tri.accel_dest_y_clip);
|
||||
break;
|
||||
case 0x48: // CKEY (Chromakey?)
|
||||
tri.accel_ckey = (tri.accel_ckey & 0xffffff00) | data;
|
||||
logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
if(LOG) logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
break;
|
||||
case 0x49:
|
||||
tri.accel_ckey = (tri.accel_ckey & 0xffff00ff) | (data << 8);
|
||||
logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
if(LOG) logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
break;
|
||||
case 0x4a:
|
||||
tri.accel_ckey = (tri.accel_ckey & 0xff00ffff) | (data << 16);
|
||||
logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
if(LOG) logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
break;
|
||||
case 0x4b:
|
||||
tri.accel_ckey = (tri.accel_ckey & 0x00ffffff) | (data << 24);
|
||||
logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
if(LOG) logerror("Trident: CKey set to %08x\n",tri.accel_ckey);
|
||||
break;
|
||||
case 0x58: // Foreground Pattern Colour
|
||||
tri.accel_fg_pattern_colour = (tri.accel_fg_pattern_colour & 0xffffff00) | data;
|
||||
logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
if(LOG) logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
break;
|
||||
case 0x59:
|
||||
tri.accel_fg_pattern_colour = (tri.accel_fg_pattern_colour & 0xffff00ff) | (data << 8);
|
||||
logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
if(LOG) logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
break;
|
||||
case 0x5a:
|
||||
tri.accel_fg_pattern_colour = (tri.accel_fg_pattern_colour & 0xff00ffff) | (data << 16);
|
||||
logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
if(LOG) logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
break;
|
||||
case 0x5b:
|
||||
tri.accel_fg_pattern_colour = (tri.accel_fg_pattern_colour & 0x00ffffff) | (data << 24);
|
||||
logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
if(LOG) logerror("Trident: FG Pattern Colour set to %08x\n",tri.accel_fg_pattern_colour);
|
||||
break;
|
||||
case 0x5c: // Background Pattern Colour
|
||||
tri.accel_bg_pattern_colour = (tri.accel_bg_pattern_colour & 0xffffff00) | data;
|
||||
logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
if(LOG) logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
break;
|
||||
case 0x5d:
|
||||
tri.accel_bg_pattern_colour = (tri.accel_bg_pattern_colour & 0xffff00ff) | (data << 8);
|
||||
logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
if(LOG) logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
break;
|
||||
case 0x5e:
|
||||
tri.accel_bg_pattern_colour = (tri.accel_bg_pattern_colour & 0xff00ffff) | (data << 16);
|
||||
logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
if(LOG) logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
break;
|
||||
case 0x5f:
|
||||
tri.accel_bg_pattern_colour = (tri.accel_bg_pattern_colour & 0x00ffffff) | (data << 24);
|
||||
logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
if(LOG) logerror("Trident: BG Pattern Colour set to %08x\n",tri.accel_bg_pattern_colour);
|
||||
break;
|
||||
default:
|
||||
logerror("Trident: unimplemented acceleration register offset %02x write %02x\n",offset,data);
|
||||
if(LOG) logerror("Trident: unimplemented acceleration register offset %02x write %02x\n",offset,data);
|
||||
}
|
||||
}
|
||||
|
||||
void trident_vga_device::accel_command()
|
||||
{
|
||||
switch(tri.accel_command)
|
||||
{
|
||||
case 0x00:
|
||||
if(LOG) logerror("Trident: Command: NOP\n");
|
||||
break;
|
||||
case 0x01:
|
||||
if(LOG) logerror("Trident: Command: BitBLT ROP3 (Source %i,%i Dest %i,%i Size %i,%i)\n",tri.accel_source_x,tri.accel_source_y,tri.accel_dest_x,tri.accel_dest_y,tri.accel_dim_x,tri.accel_dim_y);
|
||||
logerror("BitBLT: Drawflags = %08x\n",tri.accel_drawflags);
|
||||
accel_bitblt();
|
||||
break;
|
||||
case 0x02:
|
||||
if(LOG) logerror("Trident: Command: BitBLT ROP4\n");
|
||||
break;
|
||||
case 0x03:
|
||||
if(LOG) logerror("Trident: Command: Scanline\n");
|
||||
break;
|
||||
case 0x04:
|
||||
if(LOG) logerror("Trident: Command: Bresenham Line (Source %i,%i Dest %i,%i Size %i,%i)\n",tri.accel_source_x,tri.accel_source_y,tri.accel_dest_x,tri.accel_dest_y,tri.accel_dim_x,tri.accel_dim_y);
|
||||
accel_line();
|
||||
break;
|
||||
case 0x05:
|
||||
if(LOG) logerror("Trident: Command: Short Vector\n");
|
||||
break;
|
||||
case 0x06:
|
||||
if(LOG) logerror("Trident: Command: Fast Line\n");
|
||||
break;
|
||||
case 0x07:
|
||||
if(LOG) logerror("Trident: Command: Trapezoid Fill\n");
|
||||
break;
|
||||
case 0x08:
|
||||
if(LOG) logerror("Trident: Command: Ellipse\n");
|
||||
break;
|
||||
case 0x09:
|
||||
if(LOG) logerror("Trident: Command: Ellipse Fill\n");
|
||||
break;
|
||||
default:
|
||||
logerror("Trident: Unknown acceleration command %02x\n",tri.accel_command);
|
||||
}
|
||||
}
|
||||
|
||||
void trident_vga_device::accel_bitblt()
|
||||
{
|
||||
int x,y;
|
||||
int sx,sy;
|
||||
int xdir,ydir;
|
||||
int xstart,xend,ystart,yend;
|
||||
|
||||
if(tri.accel_drawflags & 0x0200)
|
||||
{
|
||||
xdir = -1;
|
||||
xstart = tri.accel_dest_x;
|
||||
xend = tri.accel_dest_x-tri.accel_dim_x-1;
|
||||
}
|
||||
else
|
||||
{
|
||||
xdir = 1;
|
||||
xstart = tri.accel_dest_x;
|
||||
xend = tri.accel_dest_x+tri.accel_dim_x+1;
|
||||
}
|
||||
if(tri.accel_drawflags & 0x0100)
|
||||
{
|
||||
ydir = -1;
|
||||
ystart = tri.accel_dest_y;
|
||||
yend = tri.accel_dest_y-tri.accel_dim_y-1;
|
||||
}
|
||||
else
|
||||
{
|
||||
ydir = 1;
|
||||
ystart = tri.accel_dest_y;
|
||||
yend = tri.accel_dest_y+tri.accel_dim_y+1;
|
||||
}
|
||||
sy = tri.accel_source_y;
|
||||
|
||||
// printf("BitBLT: flags=%08x source %i, %i dest %i, %i size %i, %i dir %i,%i\n",
|
||||
// tri.accel_drawflags,tri.accel_source_x,tri.accel_source_y,tri.accel_dest_x,tri.accel_dest_y,
|
||||
// tri.accel_dim_x,tri.accel_dim_y,xdir,ydir);
|
||||
for(y=ystart;y!=yend;y+=ydir,sy+=ydir)
|
||||
{
|
||||
sx = tri.accel_source_x;
|
||||
for(x=xstart;x!=xend;x+=xdir,sx+=xdir)
|
||||
{
|
||||
if(tri.accel_drawflags & 0x4000) // Solid fill
|
||||
{
|
||||
WRITEPIXEL8(x,y,tri.accel_fgcolour);
|
||||
}
|
||||
else
|
||||
{
|
||||
WRITEPIXEL8(x,y,READPIXEL8(sx,sy));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void trident_vga_device::accel_line()
|
||||
{
|
||||
UINT8 col = tri.accel_fgcolour & 0xff;
|
||||
// TGUI_SRC_XY(dmin-dmaj,dmin);
|
||||
// TGUI_DEST_XY(x,y);
|
||||
// TGUI_DIM_XY(dmin+e,len);
|
||||
INT16 dx = abs(tri.accel_source_x);
|
||||
INT16 dy = abs(tri.accel_source_y);
|
||||
INT16 err = tri.accel_dim_x - tri.accel_source_y;
|
||||
int sx = (tri.accel_drawflags & 0x0200) ? -1 : 1;
|
||||
int sy = (tri.accel_drawflags & 0x0100) ? -1 : 1;
|
||||
int count = 0;
|
||||
INT16 temp;
|
||||
|
||||
// if(LOG_8514) logerror("8514/A: Command (%04x) - Line (Bresenham) - %i,%i Axial %i, Diagonal %i, Error %i, Major Axis %i, Minor Axis %i\n",ibm8514.current_cmd,
|
||||
// ibm8514.curr_x,ibm8514.curr_y,ibm8514.line_axial_step,ibm8514.line_diagonal_step,ibm8514.line_errorterm,ibm8514.rect_width,ibm8514.rect_height);
|
||||
|
||||
if(tri.accel_drawflags & 0x400)
|
||||
{
|
||||
temp = dx; dx = dy; dy = temp;
|
||||
}
|
||||
for(;;)
|
||||
{
|
||||
WRITEPIXEL8(tri.accel_dest_x,tri.accel_dest_y,col);
|
||||
if (count > tri.accel_dim_y) break;
|
||||
count++;
|
||||
if((err*2) > -dy)
|
||||
{
|
||||
err -= dy;
|
||||
tri.accel_dest_x += sx;
|
||||
}
|
||||
if((err*2) < dx)
|
||||
{
|
||||
err += dx;
|
||||
tri.accel_dest_y += sy;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -71,18 +71,18 @@ protected:
|
||||
UINT32 accel_fgcolour;
|
||||
UINT32 accel_bgcolour;
|
||||
UINT16 accel_pattern_loc;
|
||||
UINT16 accel_source_x;
|
||||
UINT16 accel_source_y;
|
||||
UINT16 accel_dest_x;
|
||||
UINT16 accel_dest_y;
|
||||
UINT16 accel_dim_x;
|
||||
UINT16 accel_dim_y;
|
||||
INT16 accel_source_x;
|
||||
INT16 accel_source_y;
|
||||
INT16 accel_dest_x;
|
||||
INT16 accel_dest_y;
|
||||
INT16 accel_dim_x;
|
||||
INT16 accel_dim_y;
|
||||
UINT32 accel_style;
|
||||
UINT32 accel_ckey;
|
||||
UINT16 accel_source_x_clip;
|
||||
UINT16 accel_source_y_clip;
|
||||
UINT16 accel_dest_x_clip;
|
||||
UINT16 accel_dest_y_clip;
|
||||
INT16 accel_source_x_clip;
|
||||
INT16 accel_source_y_clip;
|
||||
INT16 accel_dest_x_clip;
|
||||
INT16 accel_dest_y_clip;
|
||||
UINT32 accel_fg_pattern_colour;
|
||||
UINT32 accel_bg_pattern_colour;
|
||||
UINT8 accel_pattern[0x80];
|
||||
@ -96,6 +96,10 @@ private:
|
||||
void trident_crtc_reg_write(UINT8 index, UINT8 data);
|
||||
UINT8 trident_gc_reg_read(UINT8 index);
|
||||
void trident_gc_reg_write(UINT8 index, UINT8 data);
|
||||
|
||||
void accel_command();
|
||||
void accel_bitblt();
|
||||
void accel_line();
|
||||
};
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user