EOS is the built-in operating system of the Coleco Adam. There are bindings in high-level programming languages like BASIC.BASIC bindings
Overview
The functions are grouped into categories as follows.EOS Programmer's Manual
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 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 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
External links Technical Reference Manual chapter 3 EOS-5 source code Boot code, Forum