prodos-drivers/bbb/inc/apple2.inc
2019-10-03 21:15:56 -07:00

55 lines
1.7 KiB
PHP

;;; ============================================================
;;;
;;; More Apple II Symbols
;;;
;;; ============================================================
;;; ============================================================
;;; Soft Switches
;;; ============================================================
RAMRDOFF := $C002
RAMRDON := $C003
RAMWRTOFF := $C004
RAMWRTON := $C005
ALTZPOFF := $C008
ALTZPON := $C009
CLR80VID := $C00C
SET80VID := $C00D
RDALTZP := $C016
RD80STORE := $C018
RDPAGE2 := $C01C
BANKSEL := $C073 ; Select RamWorks bank
ROMIN2 := $C082 ; Read ROM; no write
RWRAM1 := $C08B ; Read/write RAM bank 1
;;; ============================================================
;;; I/O Registers (for Slot 2)
;;; ============================================================
TDREG := $C088 + $20 ; ACIA Transmit Register (write)
RDREG := $C088 + $20 ; ACIA Receive Register (read)
STATUS := $C089 + $20 ; ACIA Status/Reset Register
COMMAND := $C08A + $20 ; ACIA Command Register (read/write)
CONTROL := $C08B + $20 ; ACIA Control Register (read/write)
;;; ============================================================
;;; Monitor ROM routines
;;; ============================================================
INIT := $FB2F
HOME := $FC58
GETLN := $FD6A ; with prompt character
GETLN2 := $FD6F ; no prompt character
CROUT := $FD8E
PRBYTE := $FDDA
COUT := $FDED
SETNORM := $FE84
SETKBD := $FE89
SETVID := $FE93
INPUT_BUFFER := $200