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XGA/SVGA mode changes of the day (July 22nd, 2025)

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1. If the VGA mapping is for a 0xA0000 map for a length of 0x10000, then disable XGA mode (this is independent of the XGA extended mode aperture mode 1 which is XGA's own 0xA0000 mapping).
2. Remove text mode ctrl-alt-del hack.
3. Fixed cursor x coordinate in the Trio32 using 15bpp/16bpp modes.
This commit is contained in:
TC1995
2025-07-22 20:45:54 +02:00
parent 5453aec740
commit 1a5b4671e8
12 changed files with 226 additions and 69 deletions
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8
src/include/86box/vid_xga.h
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@@ -19,8 +19,8 @@
#include <86box/rom.h>
#define INT_START_BLKNK_ENAB (1 << 0)
#define INT_MASK 0xf
#define XGA_INT_START_BLKNK_ENAB (1 << 0)
#define XGA_INT_MASK 0xf
typedef struct xga_hwcursor_t {
int ena;
@@ -152,10 +152,9 @@ typedef struct xga_t {
int cursor_data_on;
int pal_test;
int a5_test;
int test_stage;
int type;
int bus;
int src_reverse_order;
int dst_reverse_order;
uint32_t linear_base;
uint32_t linear_size;
@@ -175,6 +174,7 @@ typedef struct xga_t {
uint32_t px_map_base;
uint32_t pallook[512];
uint32_t bios_diag;
uint32_t mapping_base;
PALETTE xgapal;