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nv2a: Simulate PCRTC_RASTER register

This commit is contained in:
Matt Borgerson 2020-10-25 18:27:56 -07:00 committed by mborgerson
parent 23096561a3
commit 0433c5e6bc
4 changed files with 7 additions and 0 deletions
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2
hw/xbox/nv2a/nv2a.c
View File

@ -319,6 +319,8 @@ static void nv2a_vga_gfx_update(void *opaque)
NV2AState *d = container_of(vga, NV2AState, vga);
d->pcrtc.pending_interrupts |= NV_PCRTC_INTR_0_VBLANK;
d->pcrtc.raster = 0;
nv2a_update_irq(d);
}

1
hw/xbox/nv2a/nv2a_int.h
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@ -398,6 +398,7 @@ typedef struct NV2AState {
uint32_t pending_interrupts;
uint32_t enabled_interrupts;
hwaddr start;
uint32_t raster;
} pcrtc;
struct {

1
hw/xbox/nv2a/nv2a_regs.h
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@ -603,6 +603,7 @@
# define NV_PCRTC_INTR_EN_0_VBLANK (1 << 0)
#define NV_PCRTC_START 0x00000800
#define NV_PCRTC_CONFIG 0x00000804
#define NV_PCRTC_RASTER 0x00000808
#define NV_PVIDEO_INTR 0x00000100

3
hw/xbox/nv2a/pcrtc.c
View File

@ -36,6 +36,9 @@ uint64_t pcrtc_read(void *opaque, hwaddr addr, unsigned int size)
case NV_PCRTC_START:
r = d->pcrtc.start;
break;
case NV_PCRTC_RASTER:
r = d->pcrtc.raster++;
break;
default:
break;
}