2019-10-02 05:08:21 +00:00
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;;; ============================================================
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;;;
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;;; More Apple II Symbols
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;;;
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;;; ============================================================
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;;; ============================================================
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;;; Soft Switches
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;;; ============================================================
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2019-10-05 01:10:01 +00:00
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;;; I/O Soft Switches / Firmware
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2019-10-02 05:08:21 +00:00
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RAMRDOFF := $C002
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RAMRDON := $C003
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RAMWRTOFF := $C004
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RAMWRTON := $C005
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ALTZPOFF := $C008
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ALTZPON := $C009
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CLR80VID := $C00C
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SET80VID := $C00D
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RDALTZP := $C016
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RD80STORE := $C018
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RDPAGE2 := $C01C
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BANKSEL := $C073 ; Select RamWorks bank
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ROMIN2 := $C082 ; Read ROM; no write
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2019-10-05 01:10:01 +00:00
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ROMINWB1 := $C089 ; Read ROM; write RAM bank 1
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2019-10-02 05:08:21 +00:00
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RWRAM1 := $C08B ; Read/write RAM bank 1
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;;; ============================================================
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;;; I/O Registers (for Slot 2)
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;;; ============================================================
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TDREG := $C088 + $20 ; ACIA Transmit Register (write)
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RDREG := $C088 + $20 ; ACIA Receive Register (read)
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STATUS := $C089 + $20 ; ACIA Status/Reset Register
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COMMAND := $C08A + $20 ; ACIA Command Register (read/write)
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CONTROL := $C08B + $20 ; ACIA Control Register (read/write)
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2019-10-05 01:10:01 +00:00
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;;; ============================================================
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;;; Other Slots
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;;; ============================================================
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SLOT3 := $C300
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2019-10-02 05:08:21 +00:00
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;;; ============================================================
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;;; Monitor ROM routines
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;;; ============================================================
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INIT := $FB2F
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2019-10-05 01:10:01 +00:00
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SETTXT := $FB39
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TABV := $FB5B
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SETPWRC := $FB6F
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2020-12-22 03:58:27 +00:00
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VERSION := $FBB3
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ZIDBYTE := $FBC0
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2019-10-05 01:10:01 +00:00
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BELL1 := $FBDD
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2019-10-02 05:08:21 +00:00
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HOME := $FC58
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2020-12-21 04:30:30 +00:00
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CLREOL := $FC9C
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RDKEY := $FD0C
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2019-10-02 05:08:21 +00:00
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GETLN := $FD6A ; with prompt character
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GETLN2 := $FD6F ; no prompt character
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CROUT := $FD8E
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PRBYTE := $FDDA
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COUT := $FDED
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2020-12-23 22:35:08 +00:00
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COUT1 := $FDF0
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2019-10-05 01:10:01 +00:00
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SETINV := $FE80
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2019-10-02 05:08:21 +00:00
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SETNORM := $FE84
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SETKBD := $FE89
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SETVID := $FE93
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2020-12-21 04:30:30 +00:00
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BELL := $FF3A
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2019-10-02 05:08:21 +00:00
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2020-12-21 21:27:54 +00:00
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;;; ============================================================
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;;; Applesoft ROM routines
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;;; ============================================================
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;;; These require various ZP locations to be initialized.
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LINPRNT := $ED24 ; print X,A as integer
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2019-10-05 01:10:01 +00:00
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;;; ============================================================
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;;; Well-known RAM locations
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;;; ============================================================
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2019-10-02 05:08:21 +00:00
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INPUT_BUFFER := $200
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2019-10-05 01:10:01 +00:00
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RESETVEC := $3F2
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COL80HPOS := $57B
|
2020-12-21 21:27:54 +00:00
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;;; ============================================================
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;;; Applesoft Zero Page Locations
|
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;;; ============================================================
|
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TEMPPT := $52
|
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|
|
TEMPST := $55
|
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|
|
SHIFT_SIGN_EXT := $A4
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|
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SPEEDZ := $F1
|
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|
|
FLASH_BIT := $F3
|
