| 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] |