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Added monochrome green/amber/white monitor selection for CGA, MDA and Hercules. Patch from basic2004.

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This commit is contained in:
SarahW 2017-06-04 17:39:39 +01:00
commit 7af491d719
6 changed files with 300 additions and 59 deletions
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68
src/vid_mda.c
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@ -263,6 +263,7 @@ void mda_poll(void *p)
void *mda_init()
{
int display_type;
int c;
mda_t *mda = malloc(sizeof(mda_t));
memset(mda, 0, sizeof(mda_t));
@ -273,24 +274,27 @@ void *mda_init()
mem_mapping_add(&mda->mapping, 0xb0000, 0x08000, mda_read, NULL, NULL, mda_write, NULL, NULL, NULL, MEM_MAPPING_EXTERNAL, mda);
io_sethandler(0x03b0, 0x0010, mda_in, NULL, NULL, mda_out, NULL, NULL, mda);
display_type = device_get_config_int("display_type");
cgapal_rebuild(display_type, 0);
for (c = 0; c < 256; c++)
{
mdacols[c][0][0] = mdacols[c][1][0] = mdacols[c][1][1] = makecol32(0, 0, 0);
if (c & 8) mdacols[c][0][1] = makecol32(0xff, 0xff, 0xff);
else mdacols[c][0][1] = makecol32(0xaa, 0xaa, 0xaa);
mdacols[c][0][0] = mdacols[c][1][0] = mdacols[c][1][1] = cgapal[0];
if (c & 8) mdacols[c][0][1] = cgapal[0xf];
else mdacols[c][0][1] = cgapal[0x7];
}
mdacols[0x70][0][1] = makecol32(0, 0, 0);
mdacols[0x70][0][0] = mdacols[0x70][1][0] = mdacols[0x70][1][1] = makecol32(0xff, 0xff, 0xff);
mdacols[0xF0][0][1] = makecol32(0, 0, 0);
mdacols[0xF0][0][0] = mdacols[0xF0][1][0] = mdacols[0xF0][1][1] = makecol32(0xff, 0xff, 0xff);
mdacols[0x78][0][1] = makecol32(0xaa, 0xaa, 0xaa);
mdacols[0x78][0][0] = mdacols[0x78][1][0] = mdacols[0x78][1][1] = makecol32(0xff, 0xff, 0xff);
mdacols[0xF8][0][1] = makecol32(0xaa, 0xaa, 0xaa);
mdacols[0xF8][0][0] = mdacols[0xF8][1][0] = mdacols[0xF8][1][1] = makecol32(0xff, 0xff, 0xff);
mdacols[0x00][0][1] = mdacols[0x00][1][1] = makecol32(0, 0, 0);
mdacols[0x08][0][1] = mdacols[0x08][1][1] = makecol32(0, 0, 0);
mdacols[0x80][0][1] = mdacols[0x80][1][1] = makecol32(0, 0, 0);
mdacols[0x88][0][1] = mdacols[0x88][1][1] = makecol32(0, 0, 0);
mdacols[0x70][0][1] = cgapal[0];
mdacols[0x70][0][0] = mdacols[0x70][1][0] = mdacols[0x70][1][1] = cgapal[0xf];
mdacols[0xF0][0][1] = cgapal[0];
mdacols[0xF0][0][0] = mdacols[0xF0][1][0] = mdacols[0xF0][1][1] = cgapal[0xf];
mdacols[0x78][0][1] = cgapal[0x7];
mdacols[0x78][0][0] = mdacols[0x78][1][0] = mdacols[0x78][1][1] = cgapal[0xf];
mdacols[0xF8][0][1] = cgapal[0x7];
mdacols[0xF8][0][0] = mdacols[0xF8][1][0] = mdacols[0xF8][1][1] = cgapal[0xf];
mdacols[0x00][0][1] = mdacols[0x00][1][1] = cgapal[0];
mdacols[0x08][0][1] = mdacols[0x08][1][1] = cgapal[0];
mdacols[0x80][0][1] = mdacols[0x80][1][1] = cgapal[0];
mdacols[0x88][0][1] = mdacols[0x88][1][1] = cgapal[0];
return mda;
}
@ -310,6 +314,37 @@ void mda_speed_changed(void *p)
mda_recalctimings(mda);
}
static device_config_t mda_config[] =
{
{
.name = "display_type",
.description = "Display type",
.type = CONFIG_SELECTION,
.selection =
{
{
.description = "Green",
.value = DISPLAY_GREEN
},
{
.description = "Amber",
.value = DISPLAY_AMBER
},
{
.description = "White",
.value = DISPLAY_WHITE
},
{
.description = ""
}
},
.default_int = DISPLAY_WHITE
},
{
.type = -1
}
};
device_t mda_device =
{
"MDA",
@ -319,5 +354,6 @@ device_t mda_device =
NULL,
mda_speed_changed,
NULL,
NULL
NULL,
mda_config
};