286   mov   bx, #0xc000
287   mov   ds, bx
396   mov   bx, #0xc000  variable
397   mov   ds, bx
430   mov  bx, #msg_vga_init
431   push bx
456   mov   bx, # BIOSMEM_INITIAL_MODE  variable
457   mov   ax, [bx]
461   mov   [bx], ax
466   mov   bx, # BIOSMEM_CHAR_HEIGHT  variable
468   mov   [bx], al
471   mov   bx, # BIOSMEM_VIDEO_CTL  variable
473   mov   [bx], al
476   mov   bx, # BIOSMEM_SWITCHES  variable
478   mov   [bx], al
481   mov   bx, # BIOSMEM_MODESET_CTL  variable
483   mov   [bx], al
486   mov   bx, # BIOSMEM_CURRENT_MSR
488   mov   [bx], al
570  mov bx,#0x0000  in display_string()
575  mov bx,#0x000b  in display_string()
1739   push  bx
1773   pop   bx
1778   push  bx
1802   pop   bx
2064   push  bx
2065   mov   bx, # BIOSMEM_CURRENT_PAGE
2066   mov   al, [bx]
2067   pop   bx
2069   push  bx
2070   mov   bx, # BIOSMEM_VIDEO_CTL
2071   mov   ah, [bx]
2073   mov   bx, # BIOSMEM_CURRENT_MODE
2074   mov   al, [bx]
2076   mov   bx, # BIOSMEM_NB_COLS
2077   mov   ah, [bx]
2078   pop   bx
2174   push  bx
2177   pop   bx
2185   push  bx
2188   mov   bx, dx
2197   mov   al, [bx]
2199   inc   bx
2206   mov   al, [bx]
2212   pop   bx
2221   push  bx
2239   pop   bx
2274   push  bx
2278   pop   bx
2288   push  bx
2291   mov   bx, dx
2302   mov   [bx], al
2303   inc   bx
2315   mov   [bx], al
2323   pop   bx
2354   push  bx
2362   mov   bx, dx
2366   mov   al, [bx]
2368   inc   bx
2370   mov   al, [bx]
2372   inc   bx
2374   mov   al, [bx]
2376   inc   bx
2381   pop   bx
2390   push  bx
2426   pop   bx
2458   push  bx
2466   mov   bx, dx
2471   mov   [bx], al
2472   inc   bx
2475   mov   [bx], al
2476   inc   bx
2479   mov   [bx], al
2480   inc   bx
2485   pop   bx
2643   div bx
2857   mov   bx, # BIOSMEM_SWITCHES
2858   mov   cl, [bx]
2860   mov   bx, # BIOSMEM_CRTC_ADDRESS
2861   mov   ax, [bx]
2862   mov   bx, #0x0003
2887   push  bx
2892   mov   bx, # BIOSMEM_MODESET_CTL
2893   mov   al, [bx]
2894   mov   bx, # BIOSMEM_SWITCHES
2895   mov   ah, [bx]
2905   mov   bx, #msg_vert_res
2906   push  bx
2940   mov   bx, # BIOSMEM_MODESET_CTL
2941   mov   [bx], al
2942   mov   bx, # BIOSMEM_SWITCHES
2943   mov   [bx], ah
2947   pop   bx
2960   push  bx
2967   mov   bx, # BIOSMEM_MODESET_CTL
2968   mov   al, [bx]
2971   mov   [bx], al
2974   pop   bx
2980   push  bx
2994   pop   bx
3000   push  bx
3008   mov   bx, # BIOSMEM_MODESET_CTL
3009   mov   al, [bx]
3012   mov   [bx], al
3015   pop   bx
3022   push  bx
3029   mov   bx, # BIOSMEM_MODESET_CTL
3030   mov   al, [bx]
3033   mov   [bx], al
3036   pop   bx
3104   mov   bx, # BIOSMEM_DCC_INDEX
3105   mov   al, [bx]
3115   push  bx
3118   mov   ax, bx
3119   mov   bx, # BIOSMEM_DCC_INDEX
3120   mov   [bx], al
3125   mov   bx, #msg_alt_dcc
3126   push  bx
3130   pop   bx
3590     push bx
3594     mov  bx, 6[bp] ; offset  local
3595     mov  al, [bx]
3598     pop  bx
3614     push bx
3618     mov  bx, 6[bp] ; offset
3619     mov  ax, [bx]
3622     pop  bx
3640     push bx
3644     mov  bx, 6[bp] ; offset
3646     mov  [bx], al  ; write data byte
3648     pop  bx
3667     push bx
3671     mov  bx, 6[bp] ; offset
3673     mov  [bx], ax  ; write data word
3675     pop  bx
3841   push bx
3845     mov bx, ax
3854     cmp ax, bx ;; check vendor
3874   pop bx