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Reset all keys on keyboard reset and also make sure to stop the CTRL+ALT+DEL sending on keyboard reset, fixes spurious "Keyboard not present" errors.

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This commit is contained in:
OBattler
2025-05-10 14:25:29 +02:00
parent 1dd460e9a4
commit 7529c19ec8
4 changed files with 60 additions and 12 deletions
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38
src/device/keyboard.c
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@@ -64,11 +64,12 @@ static int keydelay[512];
#endif
static scancode *scan_table; /* scancode table for keyboard */
static volatile uint8_t caps_lock = 0;
static volatile uint8_t num_lock = 0;
static volatile uint8_t scroll_lock = 0;
static volatile uint8_t kana_lock = 0;
static uint8_t shift = 0;
static volatile uint8_t caps_lock = 0;
static volatile uint8_t num_lock = 0;
static volatile uint8_t scroll_lock = 0;
static volatile uint8_t kana_lock = 0;
static volatile uint8_t kbd_in_reset = 0;
static uint8_t shift = 0;
static int key5576mode = 0;
@@ -106,11 +107,12 @@ static scconvtbl scconv55_8a[18 + 1] =
void
keyboard_init(void)
{
num_lock = 0;
caps_lock = 0;
scroll_lock = 0;
kana_lock = 0;
shift = 0;
num_lock = 0;
caps_lock = 0;
scroll_lock = 0;
kana_lock = 0;
shift = 0;
kbd_in_reset = 0;
memset(recv_key, 0x00, sizeof(recv_key));
memset(recv_key_ui, 0x00, sizeof(recv_key));
@@ -343,9 +345,9 @@ void
keyboard_all_up(void)
{
for (unsigned short i = 0; i < 0x200; i++) {
if (recv_key_ui[i]) {
if (recv_key_ui[i])
recv_key_ui[i] = 0;
}
if (recv_key[i]) {
recv_key[i] = 0;
key_process(i, 0);
@@ -353,6 +355,18 @@ keyboard_all_up(void)
}
}
void
keyboard_set_in_reset(uint8_t in_reset)
{
kbd_in_reset = in_reset;
}
uint8_t
keyboard_get_in_reset(void)
{
return kbd_in_reset;
}
static uint8_t
keyboard_do_break(uint16_t scan)
{