Add support for the TRS-80 Model 3
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@690 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
parent
e1192ac67b
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5 changed files with 275 additions and 1 deletions
76
arch/z80/include/io.h
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76
arch/z80/include/io.h
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@ -0,0 +1,76 @@
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/****************************************************************************
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* arch/z80/include/io.h
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* arch/chip/io.h
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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
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* are met:
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*
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __ARCH_IO_H
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#define __ARCH_IO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <arch/chip/io.h>
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* __ARCH_IO_H */
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85
arch/z80/include/z80/io.h
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85
arch/z80/include/z80/io.h
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@ -0,0 +1,85 @@
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/****************************************************************************
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* arch/z80/include/z80/io.h
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* arch/chip/io.h
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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
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* are met:
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*
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* This file should never be included directed but, rather, only indirectly
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* through arch/io.h
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*/
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#ifndef __ARCH_Z80_IO_H
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#define __ARCH_Z80_IO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Inline functions
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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EXTERN void outp(char p, char c);
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EXTERN char inp(char p);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* __ARCH_Z80_IO_H */
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@ -153,8 +153,16 @@ pass1.ihx: up_mem.h asm_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ) board/libboar
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echo "-l $(TOPDIR)/$$LIB" >> pass1.lnk ;\
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done
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@echo "-l myz80.lib" >>pass1.lnk # Name of SDCC z80 library
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ifneq ($(CONFIG_LINKER_START_AREA),)
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@echo "-b START=$(CONFIG_LINKER_START_AREA)" >>pass1.lnk # Start of START area
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else
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@echo "-b START=0" >>pass1.lnk # Start of START area
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endif
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ifneq ($(CONFIG_LINKER_CODE_AREA),)
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@echo "-b _CODE=$(CONFIG_LINKER_CODE_AREA)" >>pass1.lnk # Start of _CODE area
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else
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@echo "-b _CODE=256" >>pass1.lnk # Start of _CODE area
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endif
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@echo "-i" >>pass1.lnk # Intel hex format
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@echo "-x" >>pass1.lnk # Hexadecimal
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@echo "-m" >>pass1.lnk # Generate a map file
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@ -178,8 +186,16 @@ nuttx.ihx: up_mem.h asm_mem.h $(SDCCLIBDIR)/myz80.lib $(HEAD_AOBJ) board/libboar
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echo "-l $(TOPDIR)/$$LIB" >> nuttx.lnk ;\
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done
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@echo "-l myz80.lib" >>nuttx.lnk # Name of SDCC z80 library
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ifneq ($(CONFIG_LINKER_START_AREA),)
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@echo "-b START=$(CONFIG_LINKER_START_AREA)" >>nuttx.lnk # Start of START area
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else
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@echo "-b START=0" >>nuttx.lnk # Start of START area
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endif
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ifneq ($(CONFIG_LINKER_CODE_AREA),)
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@echo "-b _CODE=$(CONFIG_LINKER_CODE_AREA)" >>nuttx.lnk # Start of _CODE area
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else
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@echo "-b _CODE=256" >>nuttx.lnk # Start of _CODE area
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endif
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@echo "-i" >>nuttx.lnk # Intel hex format
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@echo "-x" >>nuttx.lnk # Hexadecimal
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@echo "-m" >>nuttx.lnk # Generate a map file
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@ -43,7 +43,7 @@ CMN_CSRCS = up_initialize.c up_allocateheap.c up_createstack.c \
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up_mdelay.c up_udelay.c up_usestack.c
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CHIP_ASRCS = z80_saveusercontext.asm z80_restoreusercontext.asm
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CHIP_CSRCS = z80_initialstate.c z80_irq.c z80_copystate.c \
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CHIP_CSRCS = z80_initialstate.c z80_io.c z80_irq.c z80_copystate.c \
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z80_schedulesigaction.c z80_sigdeliver.c \
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z80_registerdump.c
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97
arch/z80/src/z80/z80_io.c
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97
arch/z80/src/z80/z80_io.c
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@ -0,0 +1,97 @@
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/****************************************************************************
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* arch/z80/src/z80/z80_io.c
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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
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* are met:
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*
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <nuttx/arch.h>
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/* #include <nuttx/irq.h> */
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#include "up_internal.h"
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/****************************************************************************
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* Private Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: outb
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*
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* Description:
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* Output byte c on port p
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*
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****************************************************************************/
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void outp(char p, char c)
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{
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_asm
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ld c, 4(ix) ; port
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ld a, 5(ix) ; value
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out (c), a
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_endasm;
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}
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/****************************************************************************
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* Name: inpb
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*
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* Description:
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* Input byte from port p
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*
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****************************************************************************/
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char inp(char p)
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{
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_asm
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ld c, 4(ix) ;port
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in l, (c)
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_endasm;
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}
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