| 0,0 → 1,103 |
|---|
| ;---------------------------------------------------------------------- |
| draw_rectangle: |
| ; in |
| ; ebx = [coordinate on axis x]*65536 + [size on axis x] |
| ; ecx = [coordinate on axis y]*65536 + [size on axis y] |
| push edx eax |
| ;-------------------------------------- |
| ; top |
| push ebx ecx |
| mov eax,ebx |
| shr eax,16 |
| add bx,ax |
| |
| mov eax,ecx |
| shr eax,16 |
| mov cx,ax |
| |
| sub ecx,1 shl 16 +1 |
| sub ebx,1 shl 16 |
| mcall 38,,,0xffffff |
| |
| sub ecx,1 shl 16 +1 |
| sub ebx,1 shl 16 |
| inc ebx |
| xor edx,edx ; color black |
| mcall |
| pop ecx ebx |
| ;-------------------------------------- |
| ; bottom |
| push ebx ecx |
| mov eax,ebx |
| shr eax,16 |
| add bx,ax |
| |
| mov eax,ecx |
| shr eax,16 |
| add cx,ax |
| |
| mov eax,ecx |
| ror ecx,16 |
| mov cx,ax |
| rol ecx,16 |
| |
| sub ebx,1 shl 16 |
| mcall 38,,,0xffffff |
| |
| add ecx,1 shl 16 +1 |
| sub ebx,1 shl 16 |
| inc ebx |
| xor edx,edx |
| mcall |
| pop ecx ebx |
| ;-------------------------------------- |
| ; left |
| push ebx ecx |
| |
| mov eax,ebx |
| shr eax,16 |
| mov bx,ax |
| |
| mov eax,ecx |
| shr eax,16 |
| add cx,ax |
| |
| sub ebx,1 shl 16 +1 |
| sub ecx,1 shl 16 |
| mcall 38,,,0xffffff |
| |
| sub ebx,1 shl 16 +1 |
| xor edx,edx |
| mcall |
| pop ecx ebx |
| ;-------------------------------------- |
| ; right |
| push ebx ecx |
| |
| mov eax,ebx |
| shr eax,16 |
| add bx,ax |
| |
| mov eax,ebx |
| ror ebx,16 |
| mov bx,ax |
| rol ebx,16 |
| |
| mov eax,ecx |
| shr eax,16 |
| add cx,ax |
| |
| sub ecx,1 shl 16 |
| mcall 38,,,0xffffff |
| |
| add ebx,1 shl 16 +1 |
| sub ecx,1 shl 16 |
| inc ecx |
| xor edx,edx |
| mcall |
| pop ecx ebx |
| ;-------------------------------------- |
| pop eax edx |
| ret |
| ;---------------------------------------------------------------------- |
| |