| 19,15 → 19,21 |
|---|
| mov eax, [rectangle.width] |
| mov ebx, [rectangle.height] |
| mul ebx |
| if BITS_PER_PIXEL = 16 |
| shl eax, 1 |
| else if BITS_PER_PIXEL = 24 |
| lea eax, [eax*2+eax] |
| end if |
| @@: |
| push eax |
| add eax, esi |
| @@: |
| cmp [datapointer], eax |
| jae @f |
| push eax |
| call read_data.more |
| pop eax |
| jmp @b |
| @@: |
| pop eax |
| |
| mov eax, [rectangle.y] |
| movzx ebx, [screen.width] |
| 40,39 → 46,56 |
|---|
| sub eax, [rectangle.width] |
| lea ebp, [eax*3] ; ebp = ([screen.width]-[rectangle.width])*3 |
| |
| mov bl, 85 |
| |
| mov edx, [rectangle.height] |
| |
| .lineloop: |
| mov ecx, [rectangle.width] |
| if BITS_PER_PIXEL = 24 |
| lea ecx, [ecx*2+ecx] |
| end if |
| |
| if BITS_PER_PIXEL = 8 |
| .pixelloop: |
| mov bl, 85 |
| mov al, [esi] |
| shr al, 4 |
| shr al, 6 |
| and al, 3 |
| mul bl |
| stosb |
| |
| stosb ; blue |
| mov bl, 36 |
| mov al, [esi] |
| shr al, 2 |
| and al, 3 |
| shr al, 3 |
| and al, 7 |
| mul bl |
| stosb |
| |
| stosb ; green |
| mov al, [esi] |
| and al, 3 |
| and al, 7 |
| mul bl |
| stosb |
| |
| stosb ; red |
| inc esi |
| dec ecx |
| jnz .pixelloop |
| else if BITS_PER_PIXEL = 16 |
| .pixelloop: |
| lodsw |
| mov bx, ax |
| shl al, 3 |
| and al, 0xf8 |
| stosb ; blue |
| mov ax, bx |
| shr ax, 3 |
| and al, 0xfc |
| stosb ; green |
| mov al, bh |
| and al, 0xf8 |
| stosb ; red |
| dec ecx |
| jnz .pixelloop |
| else if BITS_PER_PIXEL = 24 |
| rep movsb |
| end if |
| |
| add edi, ebp |
| dec edx |
| jnz .lineloop |
| jmp next_rectangle |
| |
| |
| |