From 9b22a6965579ea1867aea291d910c96f386b518b Mon Sep 17 00:00:00 2001
From: Brett Weiland <brett_weiland@bpcspace.com>
Date: Tue, 24 Aug 2021 14:09:29 -0500
Subject: major backup 8.24.21

---
 src/bootloader/bios_functions/bios_disk.asm | 40 --------------------
 src/bootloader/bios_functions/print.asm     | 58 -----------------------------
 2 files changed, 98 deletions(-)
 delete mode 100644 src/bootloader/bios_functions/bios_disk.asm
 delete mode 100644 src/bootloader/bios_functions/print.asm

(limited to 'src/bootloader/bios_functions')

diff --git a/src/bootloader/bios_functions/bios_disk.asm b/src/bootloader/bios_functions/bios_disk.asm
deleted file mode 100644
index 195057a..0000000
--- a/src/bootloader/bios_functions/bios_disk.asm
+++ /dev/null
@@ -1,40 +0,0 @@
-bios_disk:
-.load_sectors:
-pusha
-mov es, dx
-
-; TODO when our kernel gets to big to fit in one track, we need to just switch over to LHS with extended bios functions. 
-
-mov ah, 0x02      ; read disc sectors
-mov ch, 0x00      ; track 0
-mov dh, 0x00      ; head 0
-mov dl, [stage0.boot_device]
-
-int 0x13
-
-jc .failed
-
-mov ah, 0
-popa
-ret
-
-.failed:
-debug:
-mov bx, .loadsectors_error
-mov cx, 0
-call bios_print
-
-push 0
-mov al, ah
-mov ah, 0   ; you need to clean up the bios print function!
-push ax
-mov cx, 1
-mov bx, sp
-call bios_print
-
-
-mov ah, 1
-popa
-ret
-
-.loadsectors_error: db "Error loading sectors: ", 0
diff --git a/src/bootloader/bios_functions/print.asm b/src/bootloader/bios_functions/print.asm
deleted file mode 100644
index 303fa8f..0000000
--- a/src/bootloader/bios_functions/print.asm
+++ /dev/null
@@ -1,58 +0,0 @@
-;TODO fix null problem, allow passing value insted of pointer
-bios_print:
-pusha
-mov ah, 0x0e 
-
-.print_loop:
-mov al, [bx]          
-cmp al, 0             
-je .fini   
-
-test cx, cx           ; if cx is zero, ascii, otherwise hex string
-jne .print_hex
-int 0x10              
-.print_hex_ret:
-inc bx               
-jmp .print_loop   
-
-.fini:
-mov al, 0xd           
-int 0x10
-mov al, 0xa           
-int 0x10
-popa
-ret
-
-
-.print_hex:
-mov al, '0'
-int 0x10
-
-mov al, 'x'
-int 0x10
-
-mov al, [bx]              
-shr al, 4
-call .bios_print_nibble
-
-mov al, [bx]
-and al, 0x0f
-call .bios_print_nibble
-
-mov al, ' '
-int 0x10
-
-jmp .print_hex_ret
-
-
-.bios_print_nibble:
-cmp al, 9                 
-ja .print_hex_letter
-add al, 0x30             
-int 0x10
-ret
-
-.print_hex_letter:
-add al, 0x57            
-int 0x10
-ret
-- 
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