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jshamlet |
; Copyright (c)2022 Jeremy Seth Henry
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; All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions are met:
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; * Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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; * Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution,
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; where applicable (as part of a user interface, debugging port, etc.)
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;
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; THIS SOFTWARE IS PROVIDED BY JEREMY SETH HENRY ``AS IS'' AND ANY
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; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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; DISCLAIMED. IN NO EVENT SHALL JEREMY SETH HENRY BE LIABLE FOR ANY
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; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;
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;------------------------------------------------------------------------------
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; sys_hw_map.s
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;
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; Defines the interface between HDL and assembly, and should be derived from
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; Open8_cfg.vhd (this is a minimal configuration)
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;
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; Revision History
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; Author Date Change
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;---------------- -------- ---------------------------------------------------
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; Seth Henry 7/15/22 Initial Release
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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; System Memory Map from Open8_cfg
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;------------------------------------------------------------------------------
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.DEFINE RAM_Address $0000 ; System RAM
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.DEFINE WPR_Address $1000 ; RAM Write Protect Mask
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.DEFINE WQL_Address $1020 ; I/O Write Qual Register
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.DEFINE INT_Address $1040 ; Cascaded Interrupt Manager
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;...
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.DEFINE ROM_Address $8000 ; Application ROM
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.DEFINE ISR_Start_Addr $FFF0 ; ISR vector table
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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; Interrupt Manager Selection
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;
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; Uncomment the INTMGR16 define if using the 16-bit "complex" interrupt manager
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; firmware. Otherwise, the 8-bit "simple" external interrupt manager is
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; assumed. Note that the interfaces are NOT register compatible, so this will
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; break the system if the wrong manager is selected!
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;
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;.DEFINE INTMGR16
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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; RAM Configuration
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;------------------------------------------------------------------------------
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; Define the size of the memory and number of partitions in order to configure
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; the region size constant - which will be used by tasks to assign their
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; write-protection requirements
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.DEFINE RAM_Size 4096
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.DEFINE RAM_Partitions 32
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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; Write Qualification Groups from Open8_cfg
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;------------------------------------------------------------------------------
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;------------------------------------------------------------------------------
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