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17 lines
532 B
PHP
17 lines
532 B
PHP
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; MARK IV HARDWARE DEFINITIONS
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RAMBIAS .EQU 512 ; RAM STARTS AT 512K
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;
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MK4_BASE .EQU $80 ; I/O BASE ADDRESS FOR ONBOARD PERIPHERALS
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;
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MK4_IDE .EQU MK4_BASE + $00 ; IDE REGISTERS ($00-$07, $0E-$0F)
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MK4_XAR .EQU MK4_BASE + $08 ; EXTERNAL ADDRESS REGISTER (XAR)
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MK4_SD .EQU MK4_BASE + $09 ; SD CARD CONTROL REGISTER
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MK4_RTC .EQU MK4_BASE + $0A ; RTC INTERFACE REGISTER
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;
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RTC .EQU MK4_RTC ; GENERIC ALIAS FOR RTC PORT
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;
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Z180_BASE .EQU $40 ; I/O BASE ADDRESS FOR INTERNAL Z180 REGISTERS
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#INCLUDE "z180.inc"
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