stdout: add missing new file to make compilation possible

src/stdout.asm

@@ -0,0 +1,94 @@
+; SPDX-FileCopyrightText: 2024 Zeal 8-bit Computer <[email protected]>
+;
+; SPDX-License-Identifier: Apache-2.0
+
+    INCLUDE "config.asm"
+    INCLUDE "stdout_h.asm"
+
+  ; Changing the standard output and/or input is only available if have the video board
+  ; enabled.
+  IF CONFIG_ENABLE_VIDEO_BOARD
+
+    SECTION BOOTLOADER
+
+    ; In some cases, it may be needed to switch the standard input to the UART.
+    ; Parameters:
+    ;   A - New driver to select, STDOUT_DRIVER_UART OR STDOUT_DRIVER_VIDEO
+    PUBLIC std_set_driver
+std_set_driver:
+    ld (stdmode), a
+    ret
+
+
+    PUBLIC stdout_initialize
+stdout_initialize:
+    ld a, STDOUT_DRIVER_VIDEO
+    ld (stdmode), a
+    jp video_initialize
+
+
+    ; Parameters:
+    ;   HL - Pointer to the sequence of bytes
+    ;   BC - Size of the sequence
+    PUBLIC stdout_write
+stdout_write:
+    ld a, (stdmode)
+    cp STDOUT_DRIVER_UART
+    jp z, uart_send_bytes
+    jp video_write
+
+
+    ; Parameters:
+    ;   A - ASCII byte to send on the UART
+    ; Can alter:
+    ;   A, BC ,D
+    PUBLIC stdout_put_char
+stdout_put_char:
+    ld d, a
+    ld a, (stdmode)
+    cp STDOUT_DRIVER_UART
+    ld a, d
+    jp z, uart_send_one_byte
+    jp video_put_char
+
+
+    PUBLIC stdout_put_char
+stdout_newline:
+    ld a, (stdmode)
+    cp STDOUT_DRIVER_UART
+    jp z, uart_newline
+    jp video_newline
+
+
+    PUBLIC stdin_get_char
+stdin_get_char:
+    ld a, (stdmode)
+    cp STDOUT_DRIVER_UART
+    jp z, uart_receive_one_byte
+    ; Video/keyboard mode
+    jp keyboard_next_char
+
+
+    PUBLIC stdin_has_char
+stdin_has_char:
+    ld a, (stdmode)
+    cp STDOUT_DRIVER_UART
+    jp z, uart_available_read
+    ; Video/keyboard mode
+    jp keyboard_has_char
+
+
+    PUBLIC stdin_set_synchronous
+stdin_set_synchronous:
+    ld a, (stdmode)
+    cp STDOUT_DRIVER_UART
+    jp z, uart_disable_fifo
+    ; Video/keyboard mode
+    jp keyboard_set_synchronous
+
+
+    SECTION BSS
+stdmode: DEFS 1
+
+
+  ENDIF ; CONFIG_ENABLE_VIDEO_BOARD