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Overview

The functions are grouped into categories as follows.²³

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_date⁴
• 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_controller⁵
• 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

External links

• Technical Reference Manual chapter 3
• EOS-5 source code
• Boot code, Forum

References

1. BASIC bindings https://web.archive.org/web/20170815223915/http://www.theadamresource.com/articles/smartbasic/mcode.html ↩

2. EOS Programmer's Manual https://www.colecoadam.net/manuals%20&%20docs/e.o.s%20programming%20manual%20(199x)%20(guy%20cousineau).html ↩

3. "Color label printer". https://labelbasic.ca/ ↩

4. "EOS Date Stamping by Alan Neeley". Archived from the original on 2017-08-15. https://web.archive.org/web/20170815223823/http://www.theadamresource.com/articles/eos/date_stamping.html ↩

5. "EOS Game Controller Input by Dr. Solomon Swift". Archived from the original on 2017-08-15. https://web.archive.org/web/20170815223017/http://www.theadamresource.com/articles/assembly/game_controller_input.html ↩