fixed putch/writestring
This commit is contained in:
Frater
parent
4e8b6c79a5
commit
dcf67075e5
10 changed files with 1984 additions and 697 deletions
251
src/boot.asm
251
src/boot.asm
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@ -26,13 +26,16 @@ bits 16
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; configuration du bios
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;
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; ---------------------------------------------------------------------------
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%define DEBUG_PORT 0xe9 ; 0x402 ou 0xe9
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%define DEBUG_PORT 0xe9 ; 0x402 ou 0xe9
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; initial stack
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%define STACK_SEG 0x1000 ; segment de base
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%define STACK_SEG 0x0800 ; segment de base
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section .text
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bits 16
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bits 16
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;%include "./common/chartable.asm"
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;%include "./common/cursor.asm"
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; definition du BDA
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%include "./bda.asm"
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@ -44,152 +47,188 @@ bits 16
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%include "./drivers/keyboard_ps2.asm"
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%include "./services/generic.asm"
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err_vganok db 'VGA Not Initialized',0
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;err_end db 'code completed successfully',0
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err_vganok db 'VGA Not Initialized',0
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;err_end db 'code completed successfully',0
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cpt_txt db '0123456789A123456789B123456789C123456789D123456789E123456789F123456789',0
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helloworld db 'Hello World !',0
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reset:
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cli
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cld
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cli
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; il n'existe aucun 'stack' par défaut
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mov ax, STACK_SEG
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mov ss, ax
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mov sp, 0xFFFE ; haut du segment (64ko de stack), mot-aligné
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cld
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; il n'existe aucun 'stack' par défaut
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mov ax, STACK_SEG
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mov ss, ax
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mov sp, 0xFFFE ; haut du segment (64ko de stack), mot-aligné
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; installé une table d'interruption "dummy"
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call ivt_setup
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; installé une table d'interruption "dummy"
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call ivt_setup
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call bda_setup
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call bda_setup
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; test IRQ 0
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mov ax,cs
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mov dx,ax
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mov bx,test_isr
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mov ax,i8259_MASTER_INT
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; test IRQ 0
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mov ax,cs
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mov dx,ax
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mov bx,test_isr
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mov ax,i8259_MASTER_INT
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call ivt_setvector
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call ivt_setvector
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; initialisation des PIC 8259A
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call pic_init
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; initialisation des PIC 8259A
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call pic_init
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; load Roms
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call setup_load_rom
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; load Roms
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call setup_load_rom
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; on vérifie que le BIOS VGA a installé une INT 10h
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call setup_check_vga
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; on vérifie que le BIOS VGA a installé une INT 10h
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call setup_check_vga
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; on initialise le mode texte 80x25 par défaut DEBUG
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;mov ax, 0x0003
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;int 10h
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; on initialise le mode texte 80x25 par défaut DEBUG
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;mov ax, 0x0003
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;int 10h
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; enable IRQ 0
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mov ah,IRQ_ENABLED
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mov al,0
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call pic_set_irq_mask
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; enable IRQ 0
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mov ah,IRQ_ENABLED
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mov al,0
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call pic_set_irq_mask
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call kbd_init
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sti
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call kbd_init
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sti
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; on active le mode graphique
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GFX_DRV GFX_INIT
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; on active le mode graphique
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call gfx_init
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call mouse_reset
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;call mouse_init
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call mouse_reset
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; call mouse_init
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; GFX_DRV GFX_CRS_UPDATE
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call gfx_cursor_move
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GFX_SET_WRTIE_MODE GFX_TXT_BLACK_ON_WHITE
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xor cx,cx
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mov dx,0
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GFX_DRV GFX_GOTOXY
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push cs
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pop ds
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mov si, cpt_txt
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GFX_DRV GFX_WRITE
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GFX_SET_WRTIE_MODE GFX_TXT_WHITE_TRANSPARENT
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mov cx,8
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mov dx,8
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GFX_DRV GFX_GOTOXY
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mov si, helloworld
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GFX_DRV GFX_WRITE
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mov cx,8
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mov dx,24
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GFX_SET_WRTIE_MODE 0
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.loopshift:
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GFX_DRV GFX_GOTOXY
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mov si, helloworld
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GFX_DRV GFX_WRITE
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add dx,8
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inc cx
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cmp cx,16
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jbe .loopshift
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endless:
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mov ax,BDA_DATA_SEG
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mov ds,ax
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mov ax,BDA_DATA_SEG
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mov ds,ax
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;mov dx,0x300
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;call scr_gotoxy
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;mov dx,0x300
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;call scr_gotoxy
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;mov al, byte [BDA_TIMER]
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;call scr_puthex8
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;mov al, byte [BDA_TIMER]
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;call scr_puthex8
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cmp byte [BDA_TIMER],5
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ja .skip2
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;cmp byte [BDA_TIMER],5
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;ja .skip2
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mov ax, [BDA_MOUSE + mouse.x]
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add ax, 25
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cmp ax,640
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jb .moveok
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;mov ax, [BDA_MOUSE + mouse.x]
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;add ax, 25
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;cmp ax,640
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;jb .moveok
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;
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mov ax,0
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mov ax,0
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.moveok:
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mov [BDA_MOUSE + mouse.x],ax
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mov [BDA_MOUSE + mouse.x],ax
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;
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call gfx_cursor_move
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GFX_DRV GFX_CRS_UPDATE
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cmp byte [BDA_MOUSE + mouse.buffer+1], 0
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jge .skip
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cmp byte [BDA_MOUSE + mouse.buffer+1], 0
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jge .skip
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;mov dx,0x400
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;call scr_gotoxy
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;mov dx,0x400
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;call scr_gotoxy
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;mov al, byte [BDA_MOUSE + mouse.buffer+1]
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;call scr_puthex8
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;mov al, byte [BDA_MOUSE + mouse.buffer+1]
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;call scr_puthex8
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.skip:
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;cmp byte [BDA_MOUSE + mouse.buffer+2], 0
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;jge .skip2
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;cmp byte [BDA_MOUSE + mouse.buffer+2], 0
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;jge .skip2
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;mov dx,0x404
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;call scr_gotoxy
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;mov dx,0x404
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;call scr_gotoxy
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;mov al, byte [BDA_MOUSE + mouse.buffer+2]
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;call scr_puthex8
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;mov al, byte [BDA_MOUSE + mouse.buffer+2]
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;call scr_puthex8
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.skip2:
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;mov dx,0
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;call scr_gotoxy
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;mov dx,0
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;call scr_gotoxy
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;mov ax,[BDA_MOUSE] ; adresse début dump
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;mov si,ax
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mov cx, 0x20
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;mov ax,[BDA_MOUSE] ; adresse début dump
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;mov si,ax
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mov cx, 0x20
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.dump:
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; test cx,0x000F
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; jnz .sameline
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; inc dh
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; xor dl,dl
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; call scr_gotoxy
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; test cx,0x000F
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; jnz .sameline
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; inc dh
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; xor dl,dl
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; call scr_gotoxy
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;.sameline:
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; mov al,[ds:si]
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; inc si
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; mov al,[ds:si]
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; inc si
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; push ds
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; push si
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; push ds
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; push si
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; call scr_puthex8
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; mov al,' '
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; call scr_putc
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; call scr_puthex8
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; mov al,' '
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; call scr_putc
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; pop si
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; pop ds
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; pop si
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; pop ds
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nop
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nop
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loop .dump
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loop .dump
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jmp endless
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jmp endless
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; -----------------------------------------------------------
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; Keyboard ISR (IRQ -> INT)
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; timer ISR (IRQ -> INT)
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; -----------------------------------------------------------
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test_isr:
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push ax
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push ax
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push fs
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mov ax,BDA_DATA_SEG
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mov fs,ax
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inc byte [fs:BDA_TIMER]
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push fs
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mov ax,BDA_DATA_SEG
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mov fs,ax
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; inc byte [fs:BDA_TIMER]
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mov al, PIC_EOI ; EOI master
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out i8259_MASTER_CMD, al
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pop fs
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mov al, PIC_EOI ; EOI master
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out i8259_MASTER_CMD, al
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pop fs
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pop ax
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iret
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pop ax
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iret
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; ------------------------------------------------------------------
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; Padding jusqu'au reset vector
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@ -200,13 +239,15 @@ times 0xFFF0 - ($ - $$) db 0xFF
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; RESET VECTOR (exécuté par le CPU)
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; ------------------------------------------------------------------
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section .resetvect
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bits 16
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bits 16
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global reset_vector
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reset_vector:
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; code minimal au reset
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jmp 0xF000:reset
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builddate db '06/01/2026'
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times 16-($-$$) db 0 ; le stub tient dans 16 octets (ou moins)
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; code minimal au reset
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jmp 0xF000:reset
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builddate:
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db '06/01/2026'
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times 16-($-$$) db 0 ; le stub tient dans 16 octets (ou moins)
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