| /kernel/trunk/kernel.asm |
|---|
| 4223,6 → 4223,16 |
| pop edi |
| ret |
| @@: |
| cmp esi, 2 |
| jnz @f |
| push edi |
| push 0ffffff80h |
| mov edi, esp |
| call put_2bit_image |
| pop eax |
| pop edi |
| ret |
| @@: |
| cmp esi, 4 |
| jnz @f |
| push edi |
| 4272,6 → 4282,11 |
| mov ebp, putimage_get1bpp |
| mov esi, putimage_init1bpp |
| jmp sys_putimage_bpp |
| put_2bit_image: |
| push ebp esi ebp |
| mov ebp, putimage_get2bpp |
| mov esi, putimage_init2bpp |
| jmp sys_putimage_bpp |
| put_4bit_image: |
| push ebp esi ebp |
| mov ebp, putimage_get4bpp |
| 4325,6 → 4340,38 |
| pop edx |
| ret 4 |
| putimage_init2bpp: |
| add eax, ecx |
| push ecx |
| add ecx, 3 |
| add eax, 3 |
| shr ecx, 2 |
| shr eax, 2 |
| sub eax, ecx |
| pop ecx |
| ret |
| align 16 |
| putimage_get2bpp: |
| push edx |
| mov edx, [esp+8] |
| mov al, [edx] |
| mov ah, al |
| shr al, 6 |
| shl ah, 2 |
| jnz .nonewbyte |
| lodsb |
| mov ah, al |
| shr al, 6 |
| shl ah, 2 |
| add ah, 1 |
| .nonewbyte: |
| mov [edx], ah |
| mov edx, [edx+4] |
| movzx eax, al |
| mov eax, [edx+eax*4] |
| pop edx |
| ret 4 |
| putimage_init4bpp: |
| add eax, ecx |
| push ecx |