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Coco3gimefixsam (#3577)

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* Fixed a incorrect handling of number of scan lines for VDG and SAM settings in the GIME for
the CoCo3.

* Added missing SAM state combo for lines_per_row = 2

* Fixed style requested by @startaq
This commit is contained in:
tim lindner 2018-05-16 20:49:08 -07:00 committed by Vas Crabb
parent 9fabd856e8
commit 2da9fd50a6
1 changed files with 16 additions and 22 deletions
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38
src/mame/video/gime.cpp
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@ -1254,16 +1254,9 @@ inline uint16_t gime_device::get_lines_per_row(void)
uint16_t lines_per_row;
if (m_legacy_video)
{
switch(m_ff22_value & (MODE_AG|MODE_GM2|MODE_GM1|MODE_GM0))
switch(m_ff22_value & MODE_AG)
{
case 0:
case MODE_GM0:
case MODE_GM1:
case MODE_GM1|MODE_GM0:
case MODE_GM2:
case MODE_GM2|MODE_GM0:
case MODE_GM2|MODE_GM1:
case MODE_GM2|MODE_GM1|MODE_GM0:
{
// http://cocogamedev.mxf.yuku.com/topic/4299238#.VyC6ozArI-U
static int ff9c_lines_per_row[16] =
@ -1278,20 +1271,21 @@ inline uint16_t gime_device::get_lines_per_row(void)
}
case MODE_AG:
case MODE_AG|MODE_GM0:
case MODE_AG|MODE_GM1:
lines_per_row = 3;
break;
case MODE_AG|MODE_GM1|MODE_GM0:
case MODE_AG|MODE_GM2:
lines_per_row = 2;
break;
case MODE_AG|MODE_GM2|MODE_GM0:
case MODE_AG|MODE_GM2|MODE_GM1:
case MODE_AG|MODE_GM2|MODE_GM1|MODE_GM0:
lines_per_row = 1;
switch (m_sam_state & (SAM_STATE_V0|SAM_STATE_V1|SAM_STATE_V2))
{
case 0:
lines_per_row = 12;
break;
case SAM_STATE_V1:
lines_per_row = 3;
break;
case SAM_STATE_V2:
case SAM_STATE_V1|SAM_STATE_V0:
lines_per_row = 2;
break;
default:
lines_per_row = 1;
}
break;
default: