49 lines
No EOL
1 KiB
Text
49 lines
No EOL
1 KiB
Text
@guard _DATA_DSS_
|
|
|
|
## ============================= Memory Mapped Devices and Registers =============================
|
|
@group MemoryAddresses
|
|
MBR 0x1380
|
|
INT_VEC 0x1080
|
|
DISK_INTERFACE 0x1580
|
|
RAM 0x1740
|
|
CMOS 0x1000
|
|
VGA 0x1600
|
|
@end
|
|
|
|
@group CMOS_Settings
|
|
BOOT_DISK { MemoryAddresses.CMOS + 0x0010 }
|
|
@end
|
|
|
|
@group VGA_Registers
|
|
VIDEO_MODE { MemoryAddresses.VGA + 0x0000 }
|
|
SIGNAL { MemoryAddresses.VGA + 0x0003 }
|
|
TEXT_SINGLE_CHAR { MemoryAddresses.VGA + 0x0004 }
|
|
|
|
BUFF_START { MemoryAddresses.VGA + 0x00E0 }
|
|
@end
|
|
|
|
@group VGA_VideoModes
|
|
TEXT_SINGLE_COLOR 0x00
|
|
@end
|
|
|
|
@group Sig_VGA_Text_Single_Color
|
|
CONTINUE 0x00
|
|
PRINT_CHAR 0x02
|
|
STORE_CHAR 0x03
|
|
PRINT_FLUSH_BUFF 0x04
|
|
FLUSH_BUFF 0x05
|
|
PRINT_BUFF 0x06
|
|
|
|
REFRESH_SCREEN 0xE0
|
|
CLEAR_SCREEN 0xE1
|
|
@end
|
|
|
|
@define S_REG_1 0x07
|
|
@define S_REG_2 0x08
|
|
@define S_REG_3 0x09
|
|
## ===============================================================================================
|
|
|
|
.data
|
|
$_bios_name "DragonBIOS"
|
|
$_bios_version_number_maj 0x00, 0x00
|
|
$_bios_version_number_min 0x00, 0x03 |