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Diffstat (limited to 'src/kernel/serial.asm')
| -rw-r--r-- | src/kernel/serial.asm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/kernel/serial.asm b/src/kernel/serial.asm new file mode 100644 index 0000000..9ebf84c --- /dev/null +++ b/src/kernel/serial.asm @@ -0,0 +1,29 @@ +;Copyright 2019 Benji Dial + +;Permission to use, copy, modify, and/or distribute this +;software for any purpose with or without fee is hereby +;granted, provided that the above copyright notice and this +;permission notice appear in all copies. + +;THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS +;ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL +;IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO +;EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, +;INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER +;RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +;ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +;ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +;OF THIS SOFTWARE. + +global send_byte +global read_byte + +section .text +;COM1: COM2: COM3: COM4: +;0x03f8, 0x02f8, 0x03e8, 0x02e8 + +send_byte:;void send_byte(uint8_t value, uint8_t port) + ;TODO + +read_byte:;uint8_t read_byte(uint8_t port) + ;TODO
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