search for: bios_page

...sertions(+), 0 deletions(-) diff --git a/core/conio.inc b/core/conio.inc index b450502..0784e65 100644 --- a/core/conio.inc +++ b/core/conio.inc @@ -100,9 +100,25 @@ msg_normal: call write_serial_displaymask ; Write to serial port jz msg_ignore mov bl,[TextAttribute] mov bh,[BIOS_page] + cmp cl,02h + jnz .text + push ax + mov al,0xdb ; solid block + shr bl,4 ; background color mov ah,09h ; Write character/attribute...

..._ax = (stack-2) e0_cx = (stack-4) e0_dx = (stack-6) e0_bx = (stack-8) e0_sp = (stack-10) e0_bp = (stack-12) e0_si = (stack-14) e0_di = (stack-16) e0_bot = (stack-16) e_di = (e0_bot-2) /* Original register values from entry point */ e_es = (e0_bot-4) e_si = (e0_bot-6) e_ds = (e0_bot-8) BIOS_page = 0x462 .globl _start _start: cli xorw %ax, %ax movw %ax, %ss movw $stack, %sp pushaw pushw %di /* es:di -> $PnP header */ pushw %es pushw %si pushw %ds sti cld pushw %cs popw %ds #ifdef DEBUG_START pushw %dx call crlf movw $(_start),%dx /* 0x0600 mbr.ld .text address */ cal...

...isolinux_start_hybrid = 0x7c00+64+4 .globl bootsec /* Important: the top 6 words on the stack are passed to isolinux.bin */ stack = 0x7c00 partoffset = (stack-8) driveno = (stack-14) heads = (stack-16) sectors = (stack-18) ebios_flag = (stack-20) secpercyl = (stack-24) BIOS_kbdflags = 0x417 BIOS_page = 0x462 /* gas/ld has issues with doing this as absolute addresses... */ .section ".bootsec", "a", @nobits .globl bootsec bootsec: .space 512 .text .globl _start _start: .byte 0x33, 0xed /* xorw %bp, %bp */ cli movw %bp, %ss movw $stack, %sp sti cld /* Check to...