| /kernel/trunk/video/vga.inc |
|---|
| 172,10 → 172,7 |
| m13pix: |
| lodsd |
| cmp eax,0 |
| jne @f |
| xor eax,eax |
| jmp .save_pixel |
| @@: |
| je .save_pixel |
| push eax |
| mov ebx,eax |
| and eax,(128+64+32) ; blue |
| 198,7 → 195,10 |
| popad |
| ret |
| novesal_1: |
| VGA_drawbackground: |
| ; draw all |
| cmp [0xfe0c],dword 0x12 |
| jne .end |
| pushad |
| mov esi,[0xfe80] |
| mov edi,0xa0000 |
| 217,6 → 217,7 |
| jnz @r |
| call VGA_draw_long_line_1 |
| popad |
| .end: |
| ret |
| VGA_draw_long_line: |
| 263,25 → 264,25 |
| dec cl |
| shl ch,cl |
| cmp al,85 |
| jb .p13green |
| jbe .p13green |
| or [ebp],ch |
| cmp al,170 |
| jb .p13green |
| jbe .p13green |
| or [ebp+12],ch |
| .p13green: |
| cmp ah,85 |
| jb .p13red |
| jbe .p13red |
| or [ebp+4],ch |
| cmp ah,170 |
| jb .p13red |
| jbe .p13red |
| or [ebp+12],ch |
| .p13red: |
| shr eax,8 |
| cmp ah,85 |
| jb .p13cont |
| jbe .p13cont |
| or [ebp+8],ch |
| cmp ah,170 |
| jb .p13cont |
| jbe .p13cont |
| or [ebp+12],ch |
| .p13cont: |
| ror eax,8 |
| 333,25 → 334,25 |
| cmp eax,0 |
| je .p13cont |
| cmp al,85 |
| jb .p13green |
| jbe .p13green |
| or dl,0x01 |
| cmp al,170 |
| jb .p13green |
| jbe .p13green |
| or dl,0x08 |
| .p13green: |
| cmp ah,85 |
| jb .p13red |
| jbe .p13red |
| or dl,0x02 |
| cmp ah,170 |
| jb .p13red |
| jbe .p13red |
| or dl,0x08 |
| .p13red: |
| shr eax,8 |
| cmp ah,85 |
| jb .p13cont |
| jbe .p13cont |
| or dl,0x04 |
| cmp ah,170 |
| jb .p13cont |
| jbe .p13cont |
| or dl,0x08 |
| .p13cont: |
| ror edx,8 |
| 375,7 → 376,6 |
| cmp [0xfe0c],dword 0x12 |
| jne @f |
| pushad |
| ; calculate absolute (i.e. screen) coordinates |
| rol edx,16 |
| movzx eax,dx |
| rol edx,16 |
| 443,10 → 443,4 |
| pop edi esi edx ebx |
| ret |
| VGA_drawbackground: |
| ; draw all |
| cmp [0xfe0c],dword 0x12 |
| jne @f |
| call novesal_1 |
| @@: |
| ret |