summaryrefslogtreecommitdiff
path: root/boot2/vesa_setup_16.asm
diff options
context:
space:
mode:
authorMichal Idziorek <m.i@gmx.at>2015-05-14 10:44:00 +0200
committerMichal Idziorek <m.i@gmx.at>2015-05-14 10:44:00 +0200
commitdc7bf2f47d6f97407e3b50ae0b8ab59fd51079e5 (patch)
tree1ed444c804d9ff55e23a7a007275c3d5c649a455 /boot2/vesa_setup_16.asm
parent7df4060ae807dd27f3ae0a11f243897f36053ba1 (diff)
moving unused files folder
Diffstat (limited to 'boot2/vesa_setup_16.asm')
-rw-r--r--boot2/vesa_setup_16.asm93
1 files changed, 0 insertions, 93 deletions
diff --git a/boot2/vesa_setup_16.asm b/boot2/vesa_setup_16.asm
deleted file mode 100644
index 5bee57c..0000000
--- a/boot2/vesa_setup_16.asm
+++ /dev/null
@@ -1,93 +0,0 @@
-VESA_CHECK1:
- db "VESA: get modes!",0
-VESA_CHECK2:
- db "VESA: get info on target mode!",0
-VESA_CHECK3:
- db "VESA: switching to target mode!",0
-VESA_PAUSE:
- db "[Press any key to switch to VESA 0x114]",0
-
-VesaSetup:
-
- pusha
-
- ;VESA: get all available vesa modes!
- mov ax,0 ; set target address in es:di (0:offset)
- mov es,ax
- mov di,VESA_MODES
- mov ax,0x4f00 ;vesa function: Get Controller Info
- int 0x10 ; call the interrupt to get the data from the bios!
- vesa_err:
- mov bx, VESA_CHECK1
- call print_string
- call print_nextline
- cmp ax,0x004f
- je vesa_ok
- jmp vesa_err
- vesa_ok:
- ;
-
-
- ;VESA: get vesa info on mode of interest
- mov ax,0 ; set target address in es:di (0:offset)
- mov es,ax
- mov di,VESA_MODE_INFO
- mov ax,0x4f01 ;vesa function: Get Mode Info
- mov cx,VESA_MODE_SELECT
- int 0x10 ; call the interrupt to get the data from the bios!
- vesa_err2:
- mov bx, VESA_CHECK2
- call print_string
- call print_nextline
- cmp ax,0x004f
- je vesa_ok2
- jmp vesa_err2
- vesa_ok2:
-
- ;show press any key
-; call print_nextline
-; mov bx, VESA_PAUSE
-; call print_string
-; call print_nextline
-
- ;preempt keyboard buffer
-
- next_key:
-
- mov ah,0x1 ;get scnacode from kb (non-blocking)
- int 0x16
- jnz get_key ; nothing to preempt
-
- jmp wait_key
-
- get_key:
- mov ah,0 ;get key from buffer
- int 0x16
-
-; mov al,ah
-; call print_hex_byte
-; call print_nextline
-
- jmp next_key
-
- ;;;;;;;;;;;;;;;;;
- wait_key:
-; mov ah,0 ; block waiting for keyboard scancode
-; int 0x16
-
-
- ;VESA: finally switch to the mode of choice!
- mov ax,0x4f02 ;vesa function: Set Mode
- mov bx,VESA_MODE_SELECT
-
- int 0x10
- cmp ax,0x004f
- je vesa_ok3
- vesa_err3:
- mov bx, VESA_CHECK3
- call print_string
- call print_nextline
- jmp vesa_err3
- vesa_ok3:
- popa
- ret