EOS (8-bit operating system)

This article is about the EOS home computer operating system. For the supercomputer system, see EOS (operating system).
Elementary Operating System
DeveloperColeco Industries, Inc.
Written inZ80 Assembly language
Working stateDiscontinued, historic
Initial release1983; 42 years ago (1983)
Latest releaseEOS-7
Available inEnglish
PlatformsColeco Adam
Default
user interface		Text user interface
LicenseProprietary software

EOS is the built-in operating system of the Coleco Adam. There are bindings in high-level programming languages like BASIC.[1]

Overview

EOS-API[2] with Doxygen

The functions are grouped into categories as follows.[3][4]

Executive calls

  • eos_init
  • eos_hard_init
  • eos_hard_reset_net
  • eos_delay_after_hard_reset
  • eos_synchronize_clocks
  • eos_scan_for_devices
  • eos_relocate_pcb
  • eos_soft_init
  • eos_exit_to_smartwriter
  • eos_switch_memory_banks

Console Output

  • eos_console_init
  • eos_console_display_regular
  • eos_console_display_special

Printer Interface

  • eos_print_character
  • eos_print_buffer
  • eos_printer_status
  • eos_start_print_character
  • eos_end_print_character

Keyboard Interface

  • eos_keyboard_status
  • eos_read_keyboard
  • eos_start_read_keyboard
  • eos_end_read_keyboard

File Operations

  • eos_file_manager_init
  • eos_check_directory_for_file
  • eos_find_file_1
  • eos_find_file_2
  • eos_find_file_in_fcb
  • eos_check_file_mode
  • eos_make_file
  • eos_update_file_in_directory
  • eos_open_file
  • eos_close_file
  • eos_read_file
  • eos_write_file
  • eos_trim_file
  • eos_initialize_directory
  • eos_reset_file
  • eos_get_date[5]
  • eos_put_date
  • eos_delete_file
  • eos_rename_file

Device Operations

  • eos_find_pcb
  • eos_find_dcb
  • eos_request_device_status
  • eos_get_device_status
  • eos_soft_reset_device
  • eos_soft_reset_keyboard
  • eos_soft_reset_printer
  • eos_read_block
  • eos_read_one_block
  • eos_start_read_one_block
  • eos_end_read_one_block
  • eos_write_block
  • eos_write_one_block
  • eos_start_write_one_block
  • eos_end_write_one_block
  • eos_start_read_character_device
  • eos_end_read_character_device
  • eos_read_character_device
  • eos_start_write_character_device
  • eos_end_write_character_device
  • eos_write_character_device

Video RAM Management

  • eos_set_vdp_ports
  • eos_set_vram_table_address
  • eos_load_ascii_in_vdp
  • eos_put_ascii_in_vdp
  • eos_write_vram
  • eos_read_vram
  • eos_put_vram
  • eos_get_vram
  • eos_write_vdp_register
  • eos_read_vdp_register
  • eos_fill_vram
  • eos_calculate_pattern_position
  • eos_point_to_pattern_position
  • eos_write_sprite_table

Game Controllers

  • eos_read_game_controller[6]
  • eos_update_spinner

Sound Routines

  • eos_sound_init
  • eos_sound_off
  • eos_start_sound
  • eos_play_sound
  • eos_end_sound

Subroutines

  • eos_decrement_low_nibble
  • eos_decrement_high_nibble
  • eos_move_high_nibble_to_low_nibble
  • eos_add_a_to_hl

References

  1. ^ BASIC bindings
  2. ^ C bindings
  3. ^ EOS Programmer's Manual
  4. ^ "Color label printer".
  5. ^ "EOS Date Stamping by Alan Neeley". Archived from the original on 2017-08-15.
  6. ^ "EOS Game Controller Input by Dr. Solomon Swift". Archived from the original on 2017-08-15.


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