| 38,9 → 38,18 |
|---|
| jmp skip_loop |
| skip_loop_done: |
| |
| mov (%esi), %al |
| cmp $0, %al |
| je no_cmdline |
| space_loop: |
| mov (%esi), %al |
| |
| cmp $0, %al |
| je no_cmdline |
| |
| cmp $' ', %al |
| jne space_loop_done |
| |
| inc %esi |
| jmp space_loop |
| space_loop_done: |
| |
| # copy at most 23 characters from command line |
| |
| 73,11 → 82,26 |
|---|
| vesa_meeting_point: |
| # returned back to protected mode |
| |
| mov %esi, KA2PA(vesa_ph_addr) |
| mov %di, KA2PA(vesa_height) |
| shr $16, %edi |
| mov %di, KA2PA(vesa_width) |
| mov %bx, KA2PA(vesa_scanline) |
| mov %ax, KA2PA(vesa_scanline) |
| shr $16, %eax |
| mov %ax, KA2PA(vesa_bpp) |
| |
| mov %bx, KA2PA(vesa_height) |
| shr $16, %ebx |
| mov %bx, KA2PA(vesa_bpp) |
| mov %bx, KA2PA(vesa_width) |
| |
| mov %dl, KA2PA(vesa_green_pos) |
| shr $8, %edx |
| mov %dl, KA2PA(vesa_green_mask) |
| shr $8, %edx |
| mov %dl, KA2PA(vesa_red_pos) |
| shr $8, %edx |
| mov %dl, KA2PA(vesa_red_mask) |
| |
| mov %esi, %edx |
| mov %dl, KA2PA(vesa_blue_pos) |
| shr $8, %edx |
| mov %dl, KA2PA(vesa_blue_mask) |
| |
| mov %edi, KA2PA(vesa_ph_addr) |
| #endif |