| 911,6 → 911,10 |
|---|
| ; dword [esp+4] = y * BgrDataHeight / ScreenHeight |
| push eax |
| mov ecx, [BgrDataWidth] |
| lea edx, [ecx*3] |
| imul edx, [BgrDataHeight] |
| add edx, [img_background] |
| push edx |
| mul ecx |
| imul esi, ecx |
| dec ecx |
| 932,16 → 936,18 |
|---|
| ; dword [esp] = saved esi |
| ; dword [esp+4] = saved edx |
| ; dword [esp+8] = saved ecx |
| ; dword [esp+12] = limit for overlapping of points |
| ; dword [esp+16] = x |
| ; dword [esp+20] = (y * BgrDataHeight) mod ScreenHeight (used to fast recalculating of esi) |
| ; dword [esp+24] = y |
| ; dword [esp+12] = BgrDataWidth-1, x-limit for overlapping of points |
| ; dword [esp+16] = end of bgr memory (defines y-limit for overlapping of points) |
| ; dword [esp+20] = x |
| ; dword [esp+24] = (y * BgrDataHeight) mod ScreenHeight (used to fast recalculating of esi) |
| ; dword [esp+28] = y |
| ; precalculated constants: |
| ; dword [esp+28] = BgrDataHeight mod ScreenHeight |
| ; dword [esp+32] = BgrDataHeight div ScreenHeight |
| ; dword [esp+36] = BgrDataWidth mod ScreenWidth |
| ; dword [esp+40] = BgrDataWidth div ScreenWidth |
| ; dword [esp+32] = BgrDataHeight mod ScreenHeight |
| ; dword [esp+36] = BgrDataHeight div ScreenHeight |
| ; dword [esp+40] = BgrDataWidth mod ScreenWidth |
| ; dword [esp+44] = BgrDataWidth div ScreenWidth |
| sdp3: |
| add edx, [esp+40] |
| cmp [ebp+WinMapAddress], byte 1 |
| jnz snbgp |
| mov al, [esi+2] |
| 949,10 → 955,25 |
|---|
| mov ax, [esi] |
| cmp ecx, [esp+12] |
| jae @f |
| cmp edx, [ScreenWidth] |
| jb @f |
| mov ebx, [esi+2] |
| shr ebx, 8 |
| call overlapping_of_points |
| @@: |
| mov ebx, [esp+24] |
| add ebx, [esp+32] |
| cmp ebx, [ScreenHeight] |
| jbe @f |
| mov ebx, [BgrDataWidth] |
| lea ebx, [ebx*3] |
| add ebx, esi |
| cmp ebx, [esp+16] |
| jae @f |
| mov ebx, [ebx-1] |
| shr ebx, 8 |
| call overlapping_of_points |
| @@: |
| mov [edi], ax |
| shr eax, 16 |
| mov [edi+2], al |
| 960,16 → 981,16 |
|---|
| cmp [ScreenBPP], byte 25 |
| sbb edi, -4 |
| add ebp, 1 |
| mov eax, [esp+16] |
| mov eax, [esp+20] |
| add eax, 1 |
| mov [esp+16], eax |
| mov [esp+20], eax |
| cmp eax, [draw_data+32+RECT.right] |
| ja sdp4 |
| mov eax, [esp+40] |
| mov eax, [esp+44] |
| add ecx, eax |
| lea eax, [eax*3] |
| add esi, eax |
| add edx, [esp+36] |
| ; add edx, [esp+40] |
| cmp edx, [ScreenWidth] |
| jbe sdp3 |
| sub edx, [ScreenWidth] |
| 979,9 → 1000,9 |
|---|
| jmp sdp3 |
| sdp4: |
| ; next y |
| mov ebx, [esp+24] |
| mov ebx, [esp+28] |
| add ebx, 1 |
| mov [esp+24], ebx |
| mov [esp+28], ebx |
| cmp ebx, [draw_data+32+RECT.bottom] |
| ja sdpdone |
| ; advance edi, ebp to next scan line |
| 1001,8 → 1022,8 |
|---|
| pop esi edx ecx |
| push ecx edx |
| xor ebx, ebx |
| mov eax, [esp+20-4] |
| add eax, [esp+28-4] |
| mov eax, [esp+24-4] |
| add eax, [esp+32-4] |
| cmp eax, [ScreenHeight] |
| jbe @f |
| sub eax, [ScreenHeight] |
| 1009,17 → 1030,17 |
|---|
| mov ebx, 1 |
| sub eax, ebx |
| @@: |
| mov [esp+20-4], eax |
| add ebx, [esp+32-4] |
| mov [esp+24-4], eax |
| add ebx, [esp+36-4] |
| lea ebx, [ebx*3] |
| imul ebx, [BgrDataWidth] |
| add esi, ebx |
| push esi |
| mov eax, [draw_data+32+RECT.left] |
| mov [esp+16], eax |
| mov [esp+20], eax |
| jmp sdp3 |
| sdpdone: |
| add esp, 44 |
| add esp, 48 |
| popad |
| mov [EGA_counter],1 |
| call VGA_drawbackground |