147 lines
4.8 KiB
Text
147 lines
4.8 KiB
Text
@guard _DRIVERS_DSS_
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## ============================= BIOS Interrupt handler =============================
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_int_20_handler:
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mov ACC, R10
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jeq $_int_20_disk_interface, 0x0010
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jeq $_int_20_disk_interface_get_disk_list, 0x0011
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jeq $_int_20_set_new_interrupt_handler, 0x0000
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jeq $_int_20_clear_interrupt, 0x0001
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jmp $_int_20_end
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_int_20_disk_interface:
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movb [{MemoryAddresses.DISK_INTERFACE + 0x1}], *R9 ## Mode
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inc R9
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movb [{MemoryAddresses.DISK_INTERFACE + 0x2}], *R9 ## Disk
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inc R9
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mov [{MemoryAddresses.DISK_INTERFACE + 0x3}], *R9 ## Sector
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inc R9
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inc R9
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mov [{MemoryAddresses.DISK_INTERFACE + 0x5}], *R9 ## Address
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inc R9
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inc R9
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mov [{MemoryAddresses.DISK_INTERFACE + 0x7}], *R9 ## Size
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inc R9
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inc R9
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mov [{MemoryAddresses.DISK_INTERFACE + 0x9}], *R9 ## Memory Address
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movb [MemoryAddresses.DISK_INTERFACE], 0x00 ## Signal set to "Start Operation"
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jmp $_int_20_end
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_int_20_disk_interface_get_disk_list:
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jmp $_int_20_end
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_int_20_set_new_interrupt_handler:
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push R8 ## Interrupt Code
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push R9 ## Handler Address
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push 2
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call $_set_interrupt_vector_entry
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jmp $_int_20_end
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_int_20_clear_interrupt:
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push R9
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push 0x0000
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push 2
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call $_set_interrupt_vector_entry
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_int_20_end:
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rti
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## ==================================================================================
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## ========================== BIOS Video Interrupt handler =========================
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_int_30_handler:
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mov ACC, R10
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jeq $_int_30_direct_print_char_text_single, 0x0001
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jeq $_int_30_direct_new_line_text_single, 0x0002
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jeq $_int_30_direct_print_string_text_single, 0x0003
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jeq $_int_30_direct_print_integer_text_single, 0x0004
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jeq $_int_30_store_integer_text_single, 0x0005
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jeq $_int_30_store_char_text_single, 0x0006
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jeq $_int_30_print_buffer_no_flush_text_single, 0x0007
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jeq $_int_30_print_buffer_and_flush_text_single, 0x0008
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jeq $_int_30_flush_buffer_text_single, 0x0009
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jeq $_int_30_store_string_text_single, 0x000A
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jeq $_int_30_invert_colors_text_single, 0x000B
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jeq $_int_30_print_string_buffered, 0x000C
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jeq $_int_30_read_vram_text16, 0x0020
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jeq $_int_30_write_vram_text16, 0x0021
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jeq $_int_30_clear_screen, 0x00E0
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jeq $_int_30_refresh_screen, 0x00E1
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jmp $_int_30_end
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_int_30_direct_print_char_text_single:
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movb [VGA_Registers.TEXT_SINGLE_CHAR], R9
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.PRINT_CHAR
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jmp $_int_30_end
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_int_30_direct_new_line_text_single:
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movb [VGA_Registers.TEXT_SINGLE_CHAR], 10 ## New line char code
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.STORE_CHAR
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jmp $_int_30_end
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_int_30_direct_print_string_text_single:
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movb R1, *R9
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movb [VGA_Registers.TEXT_SINGLE_CHAR], R1
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.PRINT_CHAR
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inc R9
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movb ACC, *R9
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jne $_int_30_direct_print_string_text_single, 0
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jmp $_int_30_end
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_int_30_direct_print_integer_text_single:
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mov reg(S_REG_1), Sig_VGA_Text_Single_Color.PRINT_CHAR
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push R9
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push 1
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call $_print_integer
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jmp $_int_30_end
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_int_30_store_integer_text_single:
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mov reg(S_REG_1), Sig_VGA_Text_Single_Color.STORE_CHAR
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push R9
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push 1
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call $_print_integer
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jmp $_int_30_end
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_int_30_store_char_text_single:
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movb [VGA_Registers.TEXT_SINGLE_CHAR], R9
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.STORE_CHAR
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jmp $_int_30_end
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_int_30_print_buffer_no_flush_text_single:
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.PRINT_BUFF
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_int_30_print_buffer_and_flush_text_single:
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.PRINT_FLUSH_BUFF
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jmp $_int_30_end
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_int_30_flush_buffer_text_single:
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.FLUSH_BUFF
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jmp $_int_30_end
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_int_30_store_string_text_single:
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movb R1, *R9
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movb [VGA_Registers.TEXT_SINGLE_CHAR], R1
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.STORE_CHAR
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inc R9
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movb ACC, *R9
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jne $_int_30_store_string_text_single, 0
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jmp $_int_30_end
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_int_30_invert_colors_text_single:
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movb ACC, [VGA_Registers.TEXT_SIGNLE_INVERT]
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jne $_int_30_invert_colors_text_single_normal, 0
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movb [VGA_Registers.TEXT_SIGNLE_INVERT], 1
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jmp $_int_30_end
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_int_30_invert_colors_text_single_normal:
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movb [VGA_Registers.TEXT_SIGNLE_INVERT], 0
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jmp $_int_30_end
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_int_30_print_string_buffered:
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mov [VGA_Registers.TEXT_SIGNLE_STR], R9
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.PRINT_STRING
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jmp $_int_30_end
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_int_30_write_vram_text16:
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jmp $_int_30_end
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_int_30_read_vram_text16:
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jmp $_int_30_end
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_int_30_clear_screen:
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.CLEAR_SCREEN
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jmp $_int_30_end
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_int_30_refresh_screen:
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movb [VGA_Registers.SIGNAL], Sig_VGA_Text_Single_Color.REFRESH_SCREEN
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jmp $_int_30_end
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_int_30_end:
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rti
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## ==================================================================================
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