Before, crt_h_total was used for src_width and dst_width. This is a
property of the current display setting and not relevant for the 2D
operation that also can be done off-screen. The pitch register's purpose
is to describe line pitch relevant of the 2D operation.
Signed-off-by: Sebastian Bauer <m...@sebastianbauer.info>
Signed-off-by: BALATON Zoltan <bala...@eik.bme.hu>
---
hw/display/sm501.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index b095134..d4878f0 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -709,8 +709,8 @@ static void sm501_2d_operation(SM501State *s)
/* get frame buffer info */
uint8_t *src = s->local_mem + (s->twoD_source_base & 0x03FFFFFF);
uint8_t *dst = s->local_mem + (s->twoD_destination_base & 0x03FFFFFF);
- int src_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
- int dst_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
+ int src_width = s->twoD_pitch & 0x1FFF;
+ int dst_width = (s->twoD_pitch >> 16) & 0x1FFF;
if (addressing != 0x0) {
printf("%s: only XY addressing is supported.\n", __func__);
--
2.7.6
