| 105,6 → 105,7 |
|---|
| ; |
| ;========================================================================= |
| |
| include 'bootvesa.inc' ;Include source for boot vesa |
| |
| start_of_code: |
| cld |
| 285,6 → 286,23 |
|---|
| ; wait until 8042 controller is ready |
| loopnz wait_loop |
| |
| ;;;/diamond today 5.02.2008 |
| ; set keyboard typematic rate & delay |
| mov al, 0xf3 |
| out 0x60, al |
| xor cx, cx |
| @@: |
| in al, 64h |
| test al, 2 |
| loopnz @b |
| mov al, 0 |
| out 0x60, al |
| xor cx, cx |
| @@: |
| in al, 64h |
| test al, 2 |
| loopnz @b |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ; --------------- APM --------------------- |
| and word [es:0x9044], 0 ; ver = 0.0 (APM not found) |
| mov ax, 0x5300 |
| 321,20 → 339,20 |
|---|
| apm_end: |
| _setcursor d80x25_top_num, 0 |
| |
| ;CHECK current of code |
| cmp [cfgmanager.loader_block], -1 |
| jz noloaderblock |
| les bx, [cfgmanager.loader_block] |
| cmp byte [es:bx], 1 |
| mov si, loader_block_error |
| jnz sayerr |
| |
| noloaderblock: |
| ; DISPLAY VESA INFORMATION |
| call print_vesa_info |
| call calc_vmodes_table |
| call check_first_parm ;check and enable cursor_pos |
| |
| mov ax, 0x4f00 |
| mov di, 0xa000 |
| int 0x10 |
| cmp ax, 0x004f |
| mov si, novesa |
| jnz @f |
| mov ax, [es:di+4] |
| add ax, '0'*256+'0' |
| mov si, vervesa |
| mov [si+vervesa_off], ah |
| mov [si+vervesa_off+2], al |
| @@: call print |
| |
| ; \begin{diamond}[30.11.2005] |
| cfgmanager: |
| 341,58 → 359,26 |
|---|
| ; settings: |
| ; a) preboot_graph = graphical mode |
| ; preboot_gprobe = probe this mode? |
| ; b) preboot_biosdisk = use BIOS disks through V86 emulation? |
| ; b) preboot_dma = use DMA access? |
| ; c) preboot_vrrm = use VRR? |
| ; d) preboot_device = from what boot? |
| mov di, preboot_graph |
| ; check bootloader block |
| cmp [.loader_block], -1 |
| jz .noloaderblock |
| les bx, [.loader_block] |
| cmp byte [es:bx], 1 |
| mov si, loader_block_error |
| jnz sayerr |
| test byte [es:bx+1], 1 |
| jz @f |
| ; image in memory present |
| cmp [di+preboot_device-preboot_graph], 0 |
| jnz @f |
| mov [di+preboot_device-preboot_graph], 3 |
| @@: |
| .noloaderblock: |
| |
| ; determine default settings |
| mov [.bSettingsChanged], 0 |
| cmp byte [di], 0 |
| jnz .preboot_gr_end |
| mov [di+preboot_gprobe-preboot_graph], 0 |
| mov al, [vervesa+vervesa_off] |
| cmp al, 'x' |
| jz .novesa |
| cmp al, '1' |
| jz .vesa12 |
| mov [di+preboot_gprobe-preboot_graph], 2 |
| mov al, 3 |
| jmp @f |
| .vesa12: |
| mov al, 7 |
| jmp @f |
| .novesa: |
| mov al, 10 |
| @@: |
| mov [di], al |
| .preboot_gr_end: |
| ; following 8 lines set variables to 1 if its current value is 0 |
| cmp [di+preboot_dma-preboot_graph], 1 |
| adc [di+preboot_dma-preboot_graph], 0 |
| cmp [di+preboot_biosdisk-preboot_graph], 1 |
| adc [di+preboot_biosdisk-preboot_graph], 0 |
| cmp [di+preboot_vrrm-preboot_graph], 1 |
| adc [di+preboot_vrrm-preboot_graph], 0 |
| cmp [di+preboot_device-preboot_graph], 1 |
| adc [di+preboot_device-preboot_graph], 0 |
| |
| ;.preboot_gr_end: |
| ; following 6 lines set variables to 1 if its current value is 0 |
| cmp byte[preboot_dma], 1 |
| adc byte[preboot_dma], 0 |
| cmp byte[preboot_vrrm], 1 |
| adc byte[preboot_vrrm], 0 |
| cmp byte[preboot_device], 1 |
| adc byte[preboot_device], 0 |
| ; notify user |
| _setcursor 5,2 |
| |
| mov si, linef |
| call print |
| call printplain |
| mov si, start_msg |
| call print |
| mov si, time_msg |
| 408,48 → 394,9 |
|---|
| call print |
| mov si, curvideo_msg |
| call print |
| mov al, [preboot_graph] |
| cmp al, 8 |
| ja .pnovesa |
| mov dl, al |
| and eax, 3 |
| mov si, [modes_msg+eax*2] |
| call printplain |
| mov si, modevesa20 |
| cmp dl, 4 |
| jbe @f |
| mov si, modevesa12 |
| @@: |
| call printplain |
| cmp dl, 4 |
| ja .x |
| mov si, probeno_msg |
| cmp [preboot_gprobe], 2 |
| jnz @f |
| mov si, probeok_msg |
| @@: |
| call printplain |
| .x: |
| jmp .c |
| .pnovesa: |
| cmp al, 9 |
| mov si, mode9 |
| jz @b |
| mov si, mode10 |
| jmp @b |
| .c: |
| mov si, linef |
| call printplain |
| ; mov si, dma_msg |
| ; call print |
| ; cmp [preboot_dma], 2 |
| ; mov si, on_msg |
| ; jb @f |
| ; mov si, off_msg |
| ; ja @f |
| ; mov si, readonly_msg |
| ;@@: |
| ; call printplain |
| |
| call draw_current_vmode |
| |
| mov si, usebd_msg |
| cmp [preboot_biosdisk], 1 |
| call .say_on_off |
| 468,18 → 415,22 |
|---|
| cli |
| push 0 |
| pop es |
| mov eax, [es:8*4] |
| mov [.oldtimer], eax |
| mov eax, [.timer] |
| mov [es:8*4], eax |
| push dword [es:8*4] |
| pop dword [.oldtimer] |
| push dword [.timer] |
| pop dword [es:8*4] |
| ; mov eax, [es:8*4] |
| ; mov [.oldtimer], eax |
| ; mov eax, [.timer] |
| ; mov [es:8*4], eax |
| sti |
| ; wait for keypressed |
| mov ah, 0 |
| xor ax,ax |
| int 16h |
| push ax |
| ; restore timer interrupt |
| push 0 |
| pop es |
| ; push 0 |
| ; pop es |
| mov eax, [.oldtimer] |
| mov [es:8*4], eax |
| mov [.timer], eax |
| 508,31 → 459,38 |
|---|
| _setcursor 13,0 |
| .d: |
| mov [.bSettingsChanged], 1 |
| mov si, space_msg |
| call printplain |
| _setcursor 15,0 |
| mov cx, 6 |
| @@: |
| call printplain |
| loop @b |
| call clear_vmodes_table ;clear vmodes_table |
| jmp .printcfg |
| .change_a: |
| _setcursor 15,0 |
| mov si, gr_mode |
| call printplain |
| mov bx, '09' |
| call getkey |
| mov [preboot_graph], al |
| cmp al, 4 |
| ja @f |
| mov si, probetext |
| call printplain |
| mov bx, '12' |
| call getkey |
| mov [preboot_gprobe], al |
| @@: |
| _setcursor 10,0 |
| .loops: |
| call draw_vmodes_table |
| |
| xor ax,ax |
| int 0x16 |
| ; call clear_table_cursor ;clear current position of cursor |
| |
| mov si,word [cursor_pos] |
| |
| cmp ah,0x48;x,0x48E0 ; up |
| jne .down |
| cmp si,modes_table |
| jbe .loops |
| sub word [cursor_pos],size_of_step |
| jmp .loops |
| |
| .down: cmp ah,0x50;x,0x50E0 ; down |
| jne .enter |
| cmp word[es:si+10],-1 |
| je .loops |
| add word [cursor_pos],size_of_step |
| jmp .loops |
| |
| .enter: cmp al,0x0D;x,0x1C0D ; enter |
| jne .loops |
| push word [cursor_pos] |
| pop word [preboot_graph] ;save choose |
| jmp .d |
| |
| .change_b: |
| _setcursor 15,0 |
| ; mov si, ask_dma |
| 556,6 → 514,7 |
|---|
| mov [preboot_vrrm], al |
| _setcursor 12,0 |
| jmp .d |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| .say_on_off: |
| pushf |
| call print |
| 687,116 → 646,8 |
|---|
| |
| ; ASK GRAPHICS MODE |
| |
| movzx ax, [preboot_graph] |
| push 0 |
| pop es |
| ; address is gr_table+6*(ax-1) |
| add ax, ax |
| lea si, [gr_table + eax + eax*2 - 6] |
| mov bx, [si+0] |
| mov cx, [si+2] |
| mov dx, [si+4] |
| cmp al, 9*2 |
| mov al, 32 ; BPP |
| jb @f |
| mov [es:0x9000], al |
| or dword [es:0x9018], 0xFFFFFFFF; 0x800000 |
| @@: |
| mov [es:0x9008], bx |
| mov [es:0x900A], cx |
| mov [es:0x900C], dx |
| test bh, bh |
| jz nov |
| call set_vmode |
| |
| ; USE DEFAULTS OR PROBE |
| |
| ; bx - mode : cx - x size : dx - y size |
| cmp [preboot_gprobe], 1 |
| jz noprobe |
| |
| mov bx, 0x100 |
| newprobe: |
| inc bx |
| cmp bx, 0x17f |
| mov si, prnotfnd |
| jz invalid_video_mode |
| |
| probemore: |
| push cx |
| mov ax, 0x4f01 |
| mov cx, bx |
| mov di, 0xa000 |
| int 0x10 |
| pop cx |
| |
| test byte [es:di], 80h ; lfb? |
| jz newprobe |
| cmp [es:di+0x12], cx ; x size? |
| jnz newprobe |
| cmp [es:di+0x14], dx ; y size? |
| jnz newprobe |
| cmp byte [es:di+0x19], 32 ;24 |
| jb newprobe |
| |
| ; add bx, 0100000000000000b |
| or bh, 40h |
| mov [es:0x9008], bx |
| |
| noprobe: |
| |
| |
| ; FIND VESA 2.0 LFB & BPP |
| |
| mov ax, 0x4f01 |
| mov cx, bx |
| and cx, 0xfff |
| mov di, 0xa000 |
| int 0x10 |
| ; LFB |
| mov eax, [es:di+0x28] |
| mov [es:0x9018], eax |
| ; ---- vbe voodoo |
| BytesPerLine equ 0x10 |
| mov ax, [es:di+BytesPerLine] |
| mov [es:0x9001], ax |
| ; BPP |
| mov al, byte [es:di+0x19] |
| mov [es:0x9000], al |
| nov: |
| cmp al, 24 |
| mov si, bt24 |
| jz bppl |
| cmp al, 32 |
| mov si, bt32 |
| jz bppl |
| mov si, btns |
| invalid_video_mode: |
| call print |
| _setcursor (d80x25_top_num+2), 0 |
| mov si, start_msg |
| call print |
| jmp cfgmanager.printcfg |
| bppl: |
| call print |
| |
| |
| ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
| |
| push es |
| mov ax, 0x4f0A |
| xor bx, bx |
| int 0x10 |
| xor eax, eax |
| mov ax, es |
| shl eax, 4 |
| movzx ebx, di |
| add eax, ebx |
| mov bx, [es:di] |
| add eax, ebx |
| pop es |
| mov [es:0x9014], eax |
| |
| |
| ; GRAPHICS ACCELERATION |
| ; force yes |
| mov [es:0x901C], byte 1 |
| 1109,7 → 960,7 |
|---|
| int 0x10 |
| test ah, ah |
| mov si, fatalsel |
| jnz sayerr |
| jnz v_mode_error |
| ; set mode 0x12 graphics registers: |
| cmp bx, 0x12 |
| jne gmok2 |