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mach8: added source X/Y read registers (used by XF86_MACH8) (no whatsnew)

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This commit is contained in:
mahlemiut 2013-04-16 07:59:28 +00:00
parent e4d5d8264f
commit 7b6aeb8499
3 changed files with 26 additions and 0 deletions
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20
src/emu/video/pc_vga.c
View File

@ -5362,6 +5362,26 @@ WRITE16_MEMBER(mach8_device::mach8_linedraw_w)
logerror("ATI: Linedraw register write %04x, mode %i\n",data,mach8.linedraw);
}
READ16_MEMBER(mach8_device::mach8_sourcex_r)
{
return ibm8514.dest_x;
}
READ16_MEMBER(mach8_device::mach8_sourcey_r)
{
return ibm8514.dest_y;
}
WRITE16_MEMBER(mach8_device::mach8_ext_leftscissor_w)
{
// TODO
}
WRITE16_MEMBER(mach8_device::mach8_ext_topscissor_w)
{
// TODO
}
READ16_MEMBER(mach8_device::mach8_scratch0_r)
{
return mach8.scratch0;

4
src/emu/video/pc_vga.h
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@ -384,6 +384,10 @@ public:
WRITE16_MEMBER(mach8_scratch1_w);
READ16_MEMBER(mach8_config1_r);
READ16_MEMBER(mach8_config2_r);
READ16_MEMBER(mach8_sourcex_r);
READ16_MEMBER(mach8_sourcey_r);
WRITE16_MEMBER(mach8_ext_leftscissor_w);
WRITE16_MEMBER(mach8_ext_topscissor_w);
protected:
virtual void device_start();
struct

2
src/mess/video/isa_vga_ati.c
View File

@ -115,6 +115,8 @@ void isa16_vga_gfxultra_device::device_start()
m_isa->install16_device(0xbae8, 0xbaeb, 0, 0, read16_delegate(FUNC(mach8_device::ibm8514_foremix_r),m_8514), write16_delegate(FUNC(mach8_device::ibm8514_foremix_w),m_8514));
m_isa->install16_device(0xbee8, 0xbeeb, 0, 0, read16_delegate(FUNC(mach8_device::ibm8514_multifunc_r),m_8514), write16_delegate(FUNC(mach8_device::ibm8514_multifunc_w),m_8514));
m_isa->install16_device(0xe2e8, 0xe2eb, 0, 0, read16_delegate(FUNC(mach8_device::ibm8514_pixel_xfer_r),m_8514), write16_delegate(FUNC(mach8_device::ibm8514_pixel_xfer_w),m_8514));
m_isa->install16_device(0xdaec, 0xdaef, 0, 0, read16_delegate(FUNC(mach8_device::mach8_sourcex_r),m_8514), write16_delegate(FUNC(mach8_device::mach8_ext_leftscissor_w),m_8514));
m_isa->install16_device(0xdeec, 0xdeef, 0, 0, read16_delegate(FUNC(mach8_device::mach8_sourcey_r),m_8514), write16_delegate(FUNC(mach8_device::mach8_ext_topscissor_w),m_8514));
m_isa->install16_device(0xfeec, 0xfeef, 0, 0, read16_delegate(FUNC(mach8_device::mach8_linedraw_r),m_8514), write16_delegate(FUNC(mach8_device::mach8_linedraw_w),m_8514));
m_isa->install_memory(0xa0000, 0xbffff, 0, 0, read8_delegate(FUNC(ati_vga_device::mem_r),m_vga), write8_delegate(FUNC(ati_vga_device::mem_w),m_vga));