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PCjr: Allow disabling the application of overscan deltas when overscan is disabled, allows to fix the misalignment on ScubaVenture.

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OBattler
2024-08-24 04:49:32 +02:00
parent d391ed40c9
commit 39869c5a7b
1 changed files with 13 additions and 1 deletions
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14
src/machine/m_pcjr.c
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@@ -96,6 +96,7 @@ typedef struct pcjr_t {
int firstline;
int lastline;
int composite;
int apply_hd;
/* Keyboard Controller stuff. */
int latched;
@@ -727,9 +728,12 @@ vid_poll(void *priv)
if (enable_overscan) {
video_blit_memtoscreen(0, pcjr->firstline << 1,
xsize, actual_ys + 32);
} else {
} else if (pcjr->apply_hd) {
video_blit_memtoscreen(ho_s / 2, (pcjr->firstline << 1) + 16,
xsize, actual_ys);
} else {
video_blit_memtoscreen(ho_d, (pcjr->firstline << 1) + 16,
xsize, actual_ys);
}
}
@@ -951,6 +955,13 @@ static const device_config_t pcjr_config[] = {
{ .description = "" }
}
},
{
.name = "apply_hd",
.description = "Apply overscan deltas",
.type = CONFIG_BINARY,
.default_string = "",
.default_int = 1
},
{ .name = "", .description = "", .type = CONFIG_END }
// clang-format on
};
@@ -990,6 +1001,7 @@ machine_pcjr_init(UNUSED(const machine_t *model))
pcjr->memctrl &= ~0x24;
display_type = machine_get_config_int("display_type");
pcjr->composite = (display_type != PCJR_RGB);
pcjr->apply_hd = machine_get_config_int("display_type");
overscan_x = 256;
overscan_y = 32;