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kernel.inc
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kernel.inc
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; KrisOS - kernel.h
;
; Copyright 2020 Kris Foster
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in all
; copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
; SOFTWARE.
.ifndef _KERNEL_H_
_KERNEL_H_ = 1
.feature string_escapes
.import __USER_START__
TICK = 65335 ; Who knows how long a second is! This one's fast
user_code_segment = __USER_START__ ; The user's program will be stored here
.RODATA
krisos_lcd_message: .asciiz "KrisOS/K64"
build_time: .dword .time ; .time is provided by ca65
assembler_version: .word .version ; .version is provided by ca65
.macro case_command command,routine
.local skip
CMP command
BNE skip
JSR routine
JMP command_line
skip:
.endmacro
.endif