596,9 → 596,11 |
; settings: |
; a) preboot_graph = graphical mode |
; preboot_gprobe = probe this mode? |
; b) preboot_dma = use DMA access? |
; c) preboot_vrrm = use VRR? |
; d) preboot_device = from what boot? |
; b) preboot_biosdisk = use BIOS disks through V86 emulation? // (earlier was: preboot_dma = use DMA access?) |
; c) preboot_debug = duplicates kernel debug output to the screen // (earlier was: preboot_vrrm = use VRR?) |
; // VRR is an obsolete functionality, used only with CRT monitors: increase display frequency by reducing screen resolution |
; d) preboot_launcher = start the first app (right now it's LAUNCHER) after kernel is loaded? |
; e) preboot_device = from where to boot? |
|
; determine default settings |
if ~ defined extended_primary_loader |
632,6 → 634,8 |
; following 4 lines set variables to 1 if its current value is 0 |
cmp byte [di+preboot_dma-preboot_device], 1 |
adc byte [di+preboot_dma-preboot_device], 0 |
cmp byte [di+preboot_launcher-preboot_device], 1 ; Start LAUNCHER by default |
adc byte [di+preboot_launcher-preboot_device], 0 |
; cmp byte [di+preboot_biosdisk-preboot_device], 1 |
; adc byte [di+preboot_biosdisk-preboot_device], 0 |
;; default value for VRR is OFF |
669,6 → 673,12 |
; mov si, vrrm_msg |
; cmp [preboot_vrrm], 1 |
; call .say_on_off |
mov si, debug_mode_msg |
cmp [preboot_debug], 1 |
call .say_on_off |
mov si, launcher_msg |
cmp [preboot_launcher], 1 |
call .say_on_off |
mov si, preboot_device_msg |
call print |
mov al, [preboot_device] |
752,17 → 762,20 |
cmp al, 13 |
jz .continue |
or al, 20h |
cmp al, 'a' |
cmp al, 'a' ; select graphical mode |
jz .change_a |
cmp al, 'q' ; Trick to make 'A' key on azerty keyboard work |
je .change_a |
cmp al, 'b' |
cmp al, 'b' ; use BIOS disks? // (selecting YES will make BIOS disks visible as /bd) |
jz .change_b |
; cmp al, 'c' |
; jz .change_c |
cmp al, 'c' ; 'd' |
cmp al, 'c' ; load kernel in debug mode? // (earlier was: use VRR?) |
jz .change_c |
cmp al, 'd' ; start launcher after kernel is loaded? |
jz .change_d |
cmp al, 'e' ; select boot origin |
jnz .show_remarks |
_setcursor 15,0 |
; e) preboot_device = from where to boot? |
_setcursor 16,0 |
mov si, bdev |
call print |
if defined extended_primary_loader |
772,7 → 785,7 |
end if |
call getkey |
mov [preboot_device], al |
_setcursor 13,0 |
_setcursor 14,0 |
.d: |
if ~ defined extended_primary_loader |
mov [.bSettingsChanged], 1 |
858,9 → 871,9 |
|
jmp .d |
|
.change_b: |
_setcursor 15,0 |
; mov si, ask_dma |
.change_b: ; b) preboot_biosdisk = use BIOS disks through V86 emulation? |
_setcursor 16,0 |
; mov si, ask_dma // (earlier was: preboot_dma = use DMA access?) |
; call print |
; mov bx, '13' |
; call getkey |
872,8 → 885,8 |
mov [preboot_biosdisk], al |
_setcursor 11,0 |
jmp .d |
;.change_c: |
; _setcursor 15,0 |
;.change_c: ; // VRR is an obsolete functionality, used only with CRT monitors |
; _setcursor 16,0 |
; mov si, vrrmprint |
; call print |
; mov bx, '12' |
881,6 → 894,24 |
; mov [preboot_vrrm], al |
; _setcursor 12,0 |
; jmp .d |
.change_c: ; c) preboot_debug = duplicates kernel debug output to the screen |
_setcursor 16,0 |
mov si, ask_debug |
call print |
mov bx, '12' |
call getkey |
mov [preboot_debug], al |
_setcursor 12,0 |
jmp .d |
.change_d: ; d) preboot_launcher = start the first app (right now it's LAUNCHER) after kernel is loaded? |
_setcursor 16,0 |
mov si, ask_launcher |
call print |
mov bx, '12' |
call getkey |
mov [preboot_launcher], al |
_setcursor 13,0 |
jmp .d |
;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
.say_on_off: |
pushf |
988,7 → 1019,7 |
_setcursor 6,0 |
mov si, loading_msg |
call print |
_setcursor 15,0 |
_setcursor 16,0 |
if ~ defined extended_primary_loader |
cmp [.bSettingsChanged], 0 |
jz .load |
1030,9 → 1061,9 |
pop ds |
mov si, space_msg |
mov byte [si+80], 0 |
_setcursor 15,0 |
_setcursor 16,0 |
call printplain |
_setcursor 15,0 |
_setcursor 16,0 |
.load: |
end if |
; \end{diamond}[02.12.2005] |
1053,8 → 1084,16 |
;; VRR_M USE |
; |
; mov al,[preboot_vrrm] |
; mov [es:0x9030], al |
; mov [es:BOOT_VRR], al ;// 0x9030 |
|
; Set kernel DEBUG mode - if nonzero, duplicates debug output to the screen. |
mov al, [preboot_debug] |
mov [es:BOOT_DEBUG_PRINT], al ;// 0x901E |
|
; Start the first app (right now it's LAUNCHER) after kernel is loaded? |
mov al, [preboot_launcher] |
mov [es:BOOT_LAUNCHER_START], al ;// 0x901D |
|
; BOOT DEVICE |
|
mov al, [preboot_device] |