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corrrection of draw cursor

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This commit is contained in:
Frater 2026-01-11 15:29:32 +01:00
commit 073e6e6fbf
11 changed files with 2790 additions and 230 deletions
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63
src/drivers/mouse_ps2.asm
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@ -88,18 +88,23 @@ mouse_reset:
mov ds,ax
; effacer les variables du drivers
mov [BDA_MOUSE_IDX],0
mov byte [BDA_MOUSE_IDX],0
mov dword [BDA_MOUSE_BUFFER],0
mov byte [DBA_MOUSE_PACKETLEN],3
mov byte [BDA_MOUSE_STATUS],0
mov word [BDA_MOUSE_X],0 ; vous pouvez aussi préciser le centre
mov word [BDA_MOUSE_Y],0 ; vous pouvez aussi préciser le centre
mov word [BDA_MOUSE_X],320 ; vous pouvez aussi préciser le centre
mov word [BDA_MOUSE_Y],100 ; vous pouvez aussi préciser le centre
; experiemntal
mov word [BDA_MOUSE_WHEEL],0
ret
mov byte [BDA_CURSOR_VISIBLE], 1
mov word [BDA_CURSOR_OLDX], 0
mov word [BDA_CURSOR_OLDY], 0
mov word [BDA_CURSOR_PTR], mouse_arrow
ret
; ------------------------------------------------------------
; initialise le i8042 keyboard and mouse (PS/2)
@ -157,7 +162,7 @@ mouse_init:
call mouse_sendcmd
; détecter le packet size (3/4 bytes)
call mouse_detect_packet_len
call mouse_detect_packet_len
; installer ISR IRQ12 (INT 74h)
cli
@ -300,22 +305,22 @@ mouse_sendcmd:
; bit 7 = Y overflow
; ------------------------------------------------------------
mouse_handler:
PUSH_ABCD
push ds
; sauvegarder tout les registres
pusha
; use BDA segment
mov ax,BDA_MOUSE_SEG
mov ds,ax
in al, PS2_PORT_BUFFER ; lire octet souris
mov [BDA_MOUSE_BUFFER + BDA_MOUSE_IDX], al
inc [BDA_MOUSE_IDX]
mov byte [BDA_MOUSE_BUFFER + BDA_MOUSE_IDX], al
inc byte [BDA_MOUSE_IDX]
mov al, [DBA_MOUSE_PACKETLEN]
cmp [BDA_MOUSE_IDX], al
jne .done
mov [BDA_MOUSE_IDX], 0
mov byte [BDA_MOUSE_IDX], 0
; decode buffer manuallement
mov al, [BDA_MOUSE_BUFFER]
@ -332,14 +337,42 @@ mouse_handler:
; si packetlen = 4, gérer la molette; experimental
mov al, [BDA_MOUSE_BUFFER+3]
cbw
sub [BDA_MOUSE_WHEEL], ax
add word [BDA_MOUSE_WHEEL], ax
; debug: afficher les valeurs
mov si, BDA_MOUSE_BUFFER
mov cx, 4
.debug_loop:
mov al, [si]
call debug_puthex8
mov al, ' '
call debug_putc
inc si
loop .debug_loop
; clamp X
cmp word [BDA_MOUSE_X], 0
jge .x_ok_low
mov word [BDA_MOUSE_X], 0
.x_ok_low:
cmp word [BDA_MOUSE_X], 639
jle .x_ok_high
mov word [BDA_MOUSE_X], 639
.x_ok_high:
; clamp Y
cmp word [BDA_MOUSE_Y], 0
jge .y_ok_low
mov word [BDA_MOUSE_Y], 0
.y_ok_low:
cmp word [BDA_MOUSE_Y], 199
jle .y_ok_high
mov word [BDA_MOUSE_Y], 199
.y_ok_high:
; restaurer l'ancien arrière plan du curseur
call gfx_cursor_restorebg
; sauvegarder le nouvel arrière plan du curseur
mov cx, [BDA_MOUSE_X]
mov dx, [BDA_MOUSE_Y]
call gfx_cursor_savebg
call gfx_cursor_draw
@ -349,6 +382,6 @@ mouse_handler:
out 0xA0, al ; EOI PIC esclave
out 0x20, al ; EOI PIC maître
pop ds
POP_ABCD
; restaurer tous les registres
popa
iret