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20 lines
669 B
20 lines
669 B
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; EASY Z80 HARDWARE DEFINITIONS
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#DEFINE PLATFORM_NAME "EASYZ80"
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;
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MPGSEL_0 .EQU $78 ; BANK_0 PAGE SELECT REGISTER (WRITE ONLY)
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MPGSEL_1 .EQU $79 ; BANK_1 PAGE SELECT REGISTER (WRITE ONLY)
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MPGSEL_2 .EQU $7A ; BANK_2 PAGE SELECT REGISTER (WRITE ONLY)
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MPGSEL_3 .EQU $7B ; BANK_3 PAGE SELECT REGISTER (WRITE ONLY)
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MPGENA .EQU $7C ; PAGING ENABLE REGISTER - BIT 0 = 1 (WRITE ONLY)
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;
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RTC .EQU $C0 ; RTC PORT address
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;
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WDOG .EQU $6F ; WATCHDOG
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;
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CTCBASE .EQU $88 ; CTC BASE I/O ADDRESS
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CTCA .EQU CTCBASE + 0 ; CTC CHANNEL A
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CTCB .EQU CTCBASE + 1 ; CTC CHANNEL B
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CTCC .EQU CTCBASE + 2 ; CTC CHANNEL C
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CTCD .EQU CTCBASE + 3 ; CTC CHANNEL D
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