; -----------------------------------------------------------------------------------
;;
;;	Copyright 2008, 2009, 2012, 2013 Shane Tyler Yorks
;;
;;	This file is a part of LearnerKernel
;;
;;	LearnerKernel is free software: you can redistribute it and/or modify
;;	it under the terms of the GNU General Public License as published by
;;	the Free Software Foundation, either version 3 of the License, or
;;	(at your option) any later version.
;;
;;	Please refer to the README file for additional information.
;;
; -----------------------------------------------------------------------------------
emu_space = 10 ;Number of sectors to provide to the emulator to play with: set to 0 when checking program size
;====================================================================================
;Program header macros
;------------------------------------------------------------------------------------
macro begin {
	format binary as "img"
	use32
	file "kernel.bin"
	magic_number dd 0x0b131d19, 0x11357345, 0x4f1e3641, 0x021c0a2f, 0x8b38a312
	dd (pEnd-pBeg)/512
	org 0x01000000
	pBeg:
}
;------------------------------------------------------------------------------------
macro end {
	int 0x06
	virtual
		align 512
		pEnd:
	end virtual
	times (pEnd-$+emu_space*512) db 0
}
;------------------------------------------------------------------------------------
macro terminate {
	cli
@@:	hlt
	jmp @b
}
;====================================================================================
;ISR Numbers
;------------------------------------------------------------------------------------
;System
;------------------------------------------------------------------------------------
sys_reset	= 0x30
sys_realmode	= 0x31
sys_scanchk	= 0x32
sys_loadsec	= 0x33
sys_savesec	= 0x34
sys_safe	= 0x35
sys_vecload	= 0x36
sys_vecsave	= 0x37
sys_sleep	= 0x38
sys_copyright	= 0x39
sys_isrrep	= 0x3a
sys_atoi	= 0x3b
;------------------------------------------------------------------------------------
;Graphics
;------------------------------------------------------------------------------------
grp_setgrph	= 0x41
grp_flip	= 0x42
grp_clrs	= 0x43
grp_draw	= 0x44
grp_colormap	= 0x45
grp_vecmap	= 0x46
;------------------------------------------------------------------------------------
;Text
;------------------------------------------------------------------------------------
txt_settext	= 0x40
txt_copy	= 0x47
txt_clrs	= 0x48
txt_prints	= 0x49
txt_printi	= 0x4a
txt_printx	= 0x4b
txt_getch	= 0x4c
txt_gets	= 0x4d
;====================================================================================
;Colors
;------------------------------------------------------------------------------------
blink		= 0x80
;------------------------------------------------------------------------------------
bgblack		= 0x00
bgblue		= 0x10
bggreen		= 0x20
bgcyan		= 0x30
bgdarkred	= 0x40
bgpurple	= 0x50
bgbrown		= 0x60
bgsilver	= 0x70
;------------------------------------------------------------------------------------
fgblack		= 0x00
fgblue		= 0x01
fggreen		= 0x02
fgcyan		= 0x03
fgdarkred	= 0x04
fgpurple	= 0x05
fgbrown		= 0x06
fgsilver	= 0x07
fggray		= 0x08
fglightblue	= 0x09
fglightgreen	= 0x0a
fgskyblue	= 0x0b
fgred		= 0x0c
fgyellow	= 0x0e
fgwhite		= 0x0f
dcolor = bgblue + fggreen ;Default color
;====================================================================================
;Data structures
;------------------------------------------------------------------------------------
struc rgbi x, y {
	.xloc dd 0
	.yloc dd 0
	.xsz dd x
	.ysz dd y
	.data rw x*y
}
;------------------------------------------------------------------------------------
struc VectorColors [x, y] {
forward
	db x
	dw y
common
	db 0
}
;====================================================================================
;Scan Codes
;------------------------------------------------------------------------------------
sc_esc		= 0x01
sc_1		= 0x02
sc_2		= 0x03
sc_3		= 0x04
sc_4		= 0x05
sc_5		= 0x06
sc_6		= 0x07
sc_7		= 0x08
sc_8		= 0x09
sc_9		= 0x0a
sc_0		= 0x0b
sc_minus	= 0x0c
sc_plus		= 0x0d
sc_backspace	= 0x0e
sc_tab		= 0x0f
sc_q		= 0x10
sc_w		= 0x11
sc_e		= 0x12
sc_r		= 0x13
sc_t		= 0x14
sc_y		= 0x15
sc_u		= 0x16
sc_i		= 0x17
sc_o		= 0x18
sc_p		= 0x19
sc_lsb		= 0x1a
sc_rsb		= 0x1b
sc_enter	= 0x1c
sc_ctrl		= 0x1d
sc_a		= 0x1e
sc_s		= 0x1f
sc_d		= 0x20
sc_f		= 0x21
sc_g		= 0x22
sc_h		= 0x23
sc_j		= 0x24
sc_k		= 0x25
sc_l		= 0x26
sc_semicolon	= 0x27
sc_apostrophe	= 0x28
sc_backslash	= 0x2b
sc_backtick	= 0x29
sc_lshift	= 0x2a
sc_z		= 0x2c
sc_x		= 0x2d
sc_c		= 0x2e
sc_v		= 0x2f
sc_b		= 0x30
sc_n		= 0x31
sc_m		= 0x32
sc_comma	= 0x33
sc_period	= 0x34
sc_rshift	= 0x36
sc_prntscr	= 0x37
sc_alt		= 0x38
sc_space	= 0x39
sc_capslock	= 0x3a
sc_f1		= 0x3b
sc_f2		= 0x3c
sc_f3		= 0x3d
sc_f4		= 0x3e
sc_f5		= 0x3f
sc_f6		= 0x40
sc_f7		= 0x41
sc_f8		= 0x42
sc_f9		= 0x43
sc_f10		= 0x44
sc_numlock	= 0x45
sc_scrolllock	= 0x46
sc_home		= 0x47
sc_up		= 0x48
sc_pageup	= 0x49
sc_keyminus	= 0x4a
sc_left		= 0x4b
sc_keypad5	= 0x4c
sc_right	= 0x4d
sc_keyplus	= 0x4e
sc_down		= 0x50
sc_pagedown	= 0x51
sc_ins		= 0x52
sc_del		= 0x53
sc_f11		= 0x57
sc_f12		= 0x58
sc_win		= 0x5b
sc_menu		= 0x5d
sc_break	= 0xc5
;------------------------------------------------------------------------------------
macro kchk x {
	mov al, x
	int sys_scanchk
	or al, al
	jz @f
}