| 344,6 → 344,58 |
|---|
| ; wait until 8042 controller is ready |
| loopnz wait_loop |
| |
| ; --------------- APM --------------------- |
| push 0 |
| pop es |
| mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
| mov ax, 0x5300 |
| xor bx, bx |
| int 0x15 |
| jc apm_end ; APM not found |
| test cx, 2 |
| jz apm_end ; APM 32-bit protected-mode interface not supported |
| mov [es : 0x9044], ax ; Save APM Version |
| mov [es : 0x9046], cx ; Save APM flags |
| |
| ; Write APM ver ---- |
| jmp @f |
| msg_apm:db ' APM x.x ', 0 |
| @@: and ax, 0xf0f |
| add ax, '00' |
| mov [msg_apm - 0x10000 + 5], ah |
| mov [msg_apm - 0x10000 + 7], al |
| _setcursor 0, 3 |
| mov si, msg_apm - 0x10000 |
| call printplain |
| _setcursor d80x25_top_num,0 |
| ; ------------------ |
| |
| mov ax, 0x5304 ; Disconnect interface |
| xor bx, bx |
| int 0x15 |
| mov ax, 0x5303 ; Connect 32 bit mode interface |
| xor bx, bx |
| int 0x15 |
| ; init selectors |
| movzx eax, ax ; real-mode segment base address of protected-mode 32-bit code segment |
| shl eax, 4 |
| mov [apm_code_32 - 0x10000 + 2], ax |
| shr eax, 16 |
| mov [apm_code_32 - 0x10000 + 4], al |
| movzx ecx, cx ; real-mode segment base address of protected-mode 16-bit code segment |
| shl ecx, 4 |
| mov [apm_code_16 - 0x10000 + 2], cx |
| shr ecx, 16 |
| mov [apm_code_16 - 0x10000 + 4], cl |
| movzx edx, dx ; real-mode segment base address of protected-mode 16-bit data segment |
| shl edx, 4 |
| mov [apm_data_16 - 0x10000 + 2], dx |
| shr edx, 16 |
| mov [apm_data_16 - 0x10000 + 4], dl |
| mov [es : 0x9040], ebx ; offset of APM entry point |
| apm_end: |
| ; ----------------------------------------- |
| |
| ; DISPLAY VESA INFORMATION |
| |
| push 0 |