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draw ok seulement si x est modulo de 8

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This commit is contained in:
Frater 2026-01-21 20:55:02 +01:00
commit 88d4cb076b
4 changed files with 161 additions and 120 deletions
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29
src/drivers/mouse_ps2.asm
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@ -63,6 +63,7 @@ mouse_reset:
mov byte [fs:BDA_MOUSE + mouse.cur_visible], 1
mov word [fs:BDA_MOUSE + mouse.cur_x], 0
mov word [fs:BDA_MOUSE + mouse.cur_y], 0
mov byte [fs:BDA_MOUSE + mouse.cur_drawing], 0
mov ax, cs
mov word [fs:BDA_MOUSE + mouse.cur_seg], ax
@ -301,6 +302,7 @@ isr_mouse_handler:
; lire un octet depuis le contrôleur et le stocker dans le buffer
in al, i8042_PS2_DATA ; lire octet souris
movzx bx, byte [BDA_MOUSE + mouse.idx]
mov byte [BDA_MOUSE + mouse.buffer + bx], al
inc byte [BDA_MOUSE + mouse.idx]
@ -308,20 +310,29 @@ isr_mouse_handler:
; vérifier si le packet est complet
mov al, [BDA_MOUSE + mouse.packetlen]
cmp byte [BDA_MOUSE + mouse.idx], al
jne .done
jb .done
; packet complet, on decode les données
mov byte [BDA_MOUSE + mouse.idx], 0
mov al, [BDA_MOUSE + mouse.buffer] ; status
mov [BDA_MOUSE + mouse.status], al
mov bl, [BDA_MOUSE + mouse.buffer] ; status
mov [BDA_MOUSE + mouse.status], bl
xor ax,ax
mov al, byte [BDA_MOUSE + mouse.buffer+1] ; delta X
mov al, byte [BDA_MOUSE + mouse.buffer+1] ; delta X
test bl,00010000b ; signe X
jz .x_pos
or al, 0xF0
.x_pos:
cbw
add [BDA_MOUSE + mouse.x], ax
xor ax,ax
mov al, byte [BDA_MOUSE + mouse.buffer+2] ; delta Y
mov al, byte [BDA_MOUSE + mouse.buffer+2] ; delta Y
test bl,00100000b ; signe Y
jz .y_pos
or al, 0xF0
.y_pos:
cbw
sub [BDA_MOUSE + mouse.y], ax
@ -349,14 +360,8 @@ isr_mouse_handler:
jle .y_ok_high
mov word [BDA_MOUSE + mouse.y], 199
.y_ok_high:
; restaurer l'ancien arrière plan du curseur
call gfx_cursor_restorebg
; sauvegarder le nouvel arrière plan du curseur
call gfx_cursor_savebg
call gfx_cursor_draw
;call gfx_cursor_move
.done:
mov al, 0x20
out i8259_SLAVE_CMD, al ; EOI PIC esclave