diff options
Diffstat (limited to 'hw/display/artist.c')
-rw-r--r-- | hw/display/artist.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/hw/display/artist.c b/hw/display/artist.c index c8b261a52e..780cb15026 100644 --- a/hw/display/artist.c +++ b/hw/display/artist.c @@ -337,10 +337,11 @@ static void artist_get_cursor_pos(ARTISTState *s, int *x, int *y) } *x = (lx - offset) / 2; - *y = 1146 - artist_get_y(s->cursor_pos); - /* subtract cursor offset from cursor control register */ *x -= (s->cursor_cntrl & 0xf0) >> 4; + + /* height minus nOffscreenScanlines is stored in cursor control register */ + *y = s->height - artist_get_y(s->cursor_pos); *y -= (s->cursor_cntrl & 0x0f); if (*x > s->width) { @@ -1158,14 +1159,17 @@ static uint64_t artist_reg_read(void *opaque, hwaddr addr, unsigned size) case ACTIVE_LINES_LOW: val = s->active_lines_low; /* activeLinesLo for cursor is in reg20.b.b0 */ - val |= ((s->height - 1) & 0xff); + val &= ~(0xff << 24); + val |= (s->height & 0xff) << 24; break; case MISC_VIDEO: /* emulate V-blank */ - val = s->misc_video ^ 0x00040000; + s->misc_video ^= 0x00040000; /* activeLinesHi for cursor is in reg21.b.b2 */ - val |= ((s->height - 1) & 0xff00); + val = s->misc_video; + val &= ~0xff00UL; + val |= (s->height & 0xff00); break; case MISC_CTRL: |