diff options
Diffstat (limited to 'hw/display/artist.c')
| -rw-r--r-- | hw/display/artist.c | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/hw/display/artist.c b/hw/display/artist.c index 442bdbc130..8a9fa482d0 100644 --- a/hw/display/artist.c +++ b/hw/display/artist.c @@ -80,6 +80,7 @@ struct ARTISTState { uint32_t line_pattern_skip; uint32_t cursor_pos; + uint32_t cursor_cntrl; uint32_t cursor_height; uint32_t cursor_width; @@ -301,19 +302,42 @@ static void artist_get_cursor_pos(ARTISTState *s, int *x, int *y) { /* * Don't know whether these magic offset values are configurable via - * some register. They are the same for all resolutions, so don't - * bother about it. + * some register. They seem to be the same for all resolutions. + * The cursor values provided in the registers are: + * X-value: -295 (for HP-UX 11) and 338 (for HP-UX 10.20) up to 2265 + * Y-value: 1146 down to 0 + * The emulated Artist graphic is like a CRX graphic, and as such + * it's usually fixed at 1280x1024 pixels. + * Because of the maximum Y-value of 1146 you can not choose a higher + * vertical resolution on HP-UX (unless you disable the mouse). */ - *y = 0x47a - artist_get_y(s->cursor_pos); - *x = ((artist_get_x(s->cursor_pos) - 338) / 2); + static int offset = 338; + int lx; + + /* ignore if uninitialized */ + if (s->cursor_pos == 0) { + *x = *y = 0; + return; + } + + lx = artist_get_x(s->cursor_pos); + if (lx < offset) + offset = lx; + *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; + *y -= (s->cursor_cntrl & 0x0f); if (*x > s->width) { - *x = 0; + *x = s->width; } if (*y > s->height) { - *y = 0; + *y = s->height; } } @@ -1027,6 +1051,7 @@ static void artist_reg_write(void *opaque, hwaddr addr, uint64_t val, break; case CURSOR_CTRL: + combine_write_reg(addr, val, size, &s->cursor_cntrl); break; case IMAGE_BITMAP_OP: @@ -1331,8 +1356,8 @@ static int vmstate_artist_post_load(void *opaque, int version_id) static const VMStateDescription vmstate_artist = { .name = "artist", - .version_id = 1, - .minimum_version_id = 1, + .version_id = 2, + .minimum_version_id = 2, .post_load = vmstate_artist_post_load, .fields = (VMStateField[]) { VMSTATE_UINT16(height, ARTISTState), @@ -1352,6 +1377,7 @@ static const VMStateDescription vmstate_artist = { VMSTATE_UINT32(line_end, ARTISTState), VMSTATE_UINT32(line_xy, ARTISTState), VMSTATE_UINT32(cursor_pos, ARTISTState), + VMSTATE_UINT32(cursor_cntrl, ARTISTState), VMSTATE_UINT32(cursor_height, ARTISTState), VMSTATE_UINT32(cursor_width, ARTISTState), VMSTATE_UINT32(plane_mask, ARTISTState), |