URL https://opencores.org/ocsvn/next186_soc_pc/next186_soc_pc/trunk

Subversion Repositories next186_soc_pc

[/] [next186_soc_pc/] [trunk/] [SW/] [BIOS_Next186/] [BIOS_Next186.asm] - Diff between revs 4 and 7

Rev 4	Rev 7
Line 1223...	Line 1223...
`add bx, 257-25`	`add bx, 257-25`
`jmp short VESASupported`	`jmp short VESASupported`

`; ---------------- VESA fn05`	`; ---------------- VESA fn05`
`VESAMemControl:`	`VESAMemControl:`
`test bx, not 101h ; BX validation`	`; test bx, not 101h ; BX validation`
`jnz short VESAGetModeInfo1 ; error`	`; jnz short VESAGetModeInfo1 ; error`
`push cs`	`push cs`
`call VESAMemControlCB`	`push offset VESASupported`
`jmp short VESASupported`	`; call VESAMemControlCB`
	`; jmp short VESASupported`
`VESAMemControlCB:`	`VESAMemControlCB:`
	`pushf`
	`cli`
`push ax`	`push ax`
`push dx`	`push dx`
`mov ax, bx`	`mov ax, bx`
`and ax, 1`	`and ax, 1`
`add al, 8ah`	`add al, 8ah`
Line 1243...	Line 1246...
`jnz getpageinfo`	`jnz getpageinfo`
`call flush`	`call flush`
`out dx, ax`	`out dx, ax`
`pop dx`	`pop dx`
`pop ax`	`pop ax`
	`popf`
`retf`	`retf`
`getpageinfo:`	`getpageinfo:`
`in ax, dx`	`in ax, dx`
`sub al, 0ah`	`sub al, 0ah`
`and ax, 7`	`and ax, 7`
`xchg ax, dx`	`xchg ax, dx`
`pop ax`	`pop ax`
`pop ax`	`pop ax`
	`popf`
`retf`	`retf`

`VESAInfo db 'VESA'`	`VESAInfo db 'VESA'`
`dw 100h, VESAOEM, 0f000h, 2, 0, VESAModes, 0f000h, 8`	`dw 100h, VESAOEM, 0f000h, 2, 0, VESAModes, 0f000h, 8`
`VESAOEM db 'Nicolae Dumitrache', 0`	`VESAOEM db 'Nicolae Dumitrache', 0`