jcs.org
Example program for the Cidco MailStation Z80 computer
mailstation.h: Setup RUN_/SLOT_ defs like in addrs-*.inc
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Makefile
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Makefile
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.if ${LOC:L} == "flash"
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BASE_ADDR= 0x4000
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DEFS+= -DLOC_FLASH
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.elif ${LOC:L} == "ram"
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BASE_ADDR= 0x8000
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DEFS+= -DLOC_RAM
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.else
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.BEGIN:
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@echo 'LOC must be "flash" or "ram"'
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.for S in $(SRCS)
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REL_FILES+= ${S:R}.rel
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${S:R}.rel: $(S)
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$(SDCC) -c ${.TARGET} $(SRCDIR)/$(S)
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$(SDCC) $(DEFS) -c ${.TARGET} $(SRCDIR)/$(S)
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.endfor
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.for S in $(ASM_SRCS)
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REL_FILES+= ${S:R}.rel
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${S:R}.rel: $(S)
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$(ASZ80) -o ${.TARGET} ${ADDRS_INC} $>
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$(ASZ80) $(DEFS) -o ${.TARGET} ${ADDRS_INC} $>
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.endfor
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# link
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lib/mailstation.h
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lib/mailstation.h
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__sfr __at(0x1c) rtc10years;
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__sfr __at(0x28) port28;
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/* defined according to whether we're running from RAM or flash */
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#ifdef LOC_RAM
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#define RUN_ADDR 0x8000
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#define RUN_DEVICE 0x8
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#define RUN_PAGE 0x7
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#define SLOT_ADDR 0x4000
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#define SLOT_DEVICE 0x6
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#define SLOT_PAGE 0x5
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#elif defined(LOC_FLASH)
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#define RUN_ADDR 0x4000
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#define RUN_DEVICE 0x6
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#define RUN_PAGE 0x5
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#define SLOT_ADDR 0x8000
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#define SLOT_DEVICE 0x8
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#define SLOT_PAGE 0x7
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#else
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#error "no LOC_RAM or LOC_FLASH defined"
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#endif
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/* LCD parameters (2 screens) */
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#define LCD_WIDTH (160 * 2) // 320
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#define LCD_HEIGHT 128