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a2d/inc/apple2.inc
Joshua Bell ceec6f41a4 Prefer = for constants and := for labels
2018-12-28 15:46:09 -08:00

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;;; ============================================================
;;;
;;; More Apple II Symbols
;;;
;;; ============================================================
;;; Zero Page
COUT_HOOK := $36
;;; Other Pages
IN := $200
;;; Soft Switches
SPKR := $C030
ROMIN2 := $C082
NEWVIDEO := $C029 ; IIgs - new video modes
;; Bit 7 = 1 = Enable Super-Hi-Res
;; Bit 6 = 1 = Linearize SHR
;; Bit 5 = 0 = Color DHR, 1 = B/W DHR
;; Bits 4-0 must be 0
SHADOW := $C035 ; IIgs - inhibit shadowing
AN3_ON := $C05F ; AppleColor Adapter Card / Le Chat Mauve
AN3_OFF := $C05E
RAMWORKS_BANK := $C071 ; RAMWorks bank selection ???
HR1_ON := $C0B3
HR1_OFF := $C0B2
HR2_ON := $C0B5
HR2_OFF := $C0B4
HR3_ON := $C0B7
HR3_OFF := $C0B6
;;; ============================================================
;;; Monitor ROM
;;; ============================================================
;;; Monitor
INIT := $FB2F
VERSION := $FBB3
BELL1 := $FBDD
VTAB := $FC22
VTABZ := $FC24
HOME := $FC58
PRBYTE := $FDDA
COUT := $FDED
SETKBD := $FE89
SETVID := $FE93
MONZ := $FF69
F8VERSION := $06
;;; Miscellaneous
IRQ_VECTOR := $3FE
ID_BYTE_FBB3 := $FBB3 ; $06 = IIe or later
ID_BYTE_FBC0 := $FBC0 ; $EA = IIe, $E0 = IIe enh/IIgs, $00 = IIc/IIc+
ID_BYTE_FE1F := $FE1F ; RTS ($60) on pre-IIgs, clears carry on IIgs
;;; ============================================================
;;; Applesoft Basic ROM
;;; ============================================================
;;; Zero Page
LINNUM := $50 ; Line number, unsigned word
ERRFLG := $D8
TXTPTR := $B8
FAC := $9D
SHIFT_SIGN_EXT := $A4 ; Zero before using FP ops
;;; Entry Points
GIVAYF := $E2F2 ; FAC from signed integer in (Y,A)
CONINT := $E6FB ; FAC = X as unsigned byte
GETADR := $E752 ; FAC to unsigned integer in LINNUM
FADDH := $E7A0 ; Add 0.5 to FAC
FSUB := $E7A7 ; FAC = (Y,A) - FAC
FSUBT := $E7AA ; FAC = ARG - FAC
FADD := $E7BE ; FAC = (Y,A) + FAC
FADDT := $E7C1 ; FAC = ARG + FAC
ZERO_FAC := $E84E ; FAC = 0
LOG := $E941 ; FAC = LOG(FAC)
FMULT := $E97F ; FAC = (Y,A) * FAC
FMULTT := $E982 ; FAC = ARG * FAC
DIV10 := $EA55 ; FAC = FAC / 10
FDIV := $EA66 ; FAC = (Y,A) / FAC
FDIVT := $EA69 ; FAC = ARG / FAC
LOAD_ARG := $EAE3 ; ARG = (Y,A)
MOVFM := $EAF9 ; FAC = (Y,A)
LOAD_FAC := $EAF9 ; FAC = (Y,A)
MOVMF := $EB2B ; (Y,X) = FAC
ROUND := $EB2B ; Round FAC, store at (Y,X)
ARG_TO_FAC := $EB53 ; ARG = FAC
FAC_TO_ARG_R := $EB63 ; FAC = ARG, rounded
SGN := $EB90 ; FAC = SGN(FAC)
FLOAT := $EB93 ; FAC = A as signed byte
FLOAT1 := $EB9B ; FAC from unsigned integer in FAC+1,2 eX
FLOAT2 := $EBA0 ; FAC from unsigned integer in FAC+1,2 eX, carry set = positive
ABS := $EBAF ; FAC = ABS(FAC)
FCOMP := $EBB2 ; FAC <=> (Y,A), result in A
QINT := $EBF2 ; FAC to signed integer in FAC+1...FAC+4 (e < 32)
INT := $EC23 ; FAC = INT(FAC)
FIN := $EC4A ; Parse TEXTPTR to FAC (first char in A, C set if digit)
FOUT := $ED34 ; FAC as string to FBUFFR (trashes FAC)
SQR := $EE8D ; FAC = SQR(FAC)
NEGOP := $EED0 ; FAC = -FAC
EXP := $EF09 ; FAC = EXP(FAC)
RND := $EFAE ; FAC = RND(FAC)
COS := $EFEA ; FAC = COS(FAC)
SIN := $EFF1 ; FAC = SIN(FAC)
TAN := $F03A ; FAC = SIN(FAC)
ATN := $F09E ; FAC = ATN(FAC)
;;; Constants
CON_ONE := $E913 ; 1
CON_SQR_HALF := $E92D ; SQR(1/2)
CON_SQR_TWO := $E932 ; SQR(2)
CON_NEG_HALF := $E937 ; -1/2
CON_LOG_TWO := $E93C ; LOG(2)
CON_TEN := $E950 ; 10
CON_BILLION := $ED14 ; 1E9
CON_HALF := $EE64 ; 1/2
CON_LOG2_E := $EEDB ; Log(E) base 2 ????
CON_HALF_PI := $F063 ; pi/2
CON_TWO_PI := $F06B ; pi/*2
CON_QUARTER := $F070 ; 1/4
;;; Other
FBUFFR := $100
;;; ============================================================
;;; Aux Memory / Extended 80 Column Card
;;; ============================================================
;;; Softswitches
RAMRDOFF := $C002
RAMRDON := $C003
RAMWRTOFF := $C004
RAMWRTON := $C005
ALTZPOFF := $C008
ALTZPON := $C009
CLR80VID := $C00C
SET80VID := $C00D
RD80STORE := $C018
RDPAGE2 := $C01C
PAGE2OFF := $C054
PAGE2ON := $C055
HIRESON := $C056
HIRESOFF := $C057
DHIRESON := $C05E
DHIRESOFF := $C05F
;;; Routines
SLOT3ENTRY := $C300
AUXMOVE := $C311 ; carry set main>aux, carry clear aux>main
XFER := $C314
;;; Zero Page Locations
STARTLO := $3C
STARTHI := $3D
ENDLO := $3E
ENDHI := $3F
DESTINATIONLO := $42
DESTINATIONHI := $43
;;; Other Locations
XFERSTARTLO := $03ED
XFERSTARTHI := $03EE
;;; ============================================================
;;; Disk II / IWM I/O locations
;;; ============================================================
;;; $C0nX, n = slot + 8 -- c/o http://archive.li/ewHUL
PHASE0 := $C080 ; Stepper motor phase 0
PHASE1 := $C082 ; Stepper motor phase 1
PHASE2 := $C084 ; Stepper motor phase 2
PHASE3 := $C086 ; Stepper motor phase 3
DISABLE := $C088 ; Turn disk drive off
ENABLE := $C089 ; Turn disk drive on
SELECT := $C08A ; Select drive 1 or 2
SELECT1 := $C08A ; Select drive 1
SELECT2 := $C08B ; Select drive 2
XMIT := $C08C ; Get/set bits to/from disk
TESTWP := $C08D ; Test WP mode (then WPRES has result)
DATA := $C08D ; Write data to buffer (then XMIT to send)
WPRES := $C08E ; WP mode test result
RDMODE := $C08E ; Turn off write mode
WRMODE := $C08F ; Turn on write mode
;;; ============================================================
;;; Mouse Peripheral Card
;;; ============================================================
;;; Firmware Routines
SETMOUSE = $12
SERVEMOUSE = $13
READMOUSE = $14
CLEARMOUSE = $15
POSMOUSE = $16
CLAMPMOUSE = $17
HOMEMOUSE = $18
INITMOUSE = $19
;;; Constants
CLAMP_X = 0
CLAMP_Y = 1
MOUSE_MODE_OFF = $00
MOUSE_MODE_TRANS= $01
MOUSE_MODE_INT = $03
MOUSE_MODE_BTN = $05
;;; RAM Locations
CLAMP_MIN_LO := $478
CLAMP_MIN_HI := $578
CLAMP_MAX_LO := $4F8
CLAMP_MAX_HI := $5F8
;;; RAM Locations
;;; (Add $Cn where n is slot to these)
MOUSE_X_LO := $03B8
MOUSE_X_HI := $04B8
MOUSE_Y_LO := $0438
MOUSE_Y_HI := $0538
MOUSE_STATUS := $06B8
MOUSE_MODE := $0738
;;; ============================================================
;;; Character Constants (Screen/Key Codes)
;;; ============================================================
CHAR_MASK = $7F
CASE_MASK = $DF
CHAR_CTRL_C = $03
CHAR_LEFT = $08
CHAR_TAB = $09
CHAR_DOWN = $0A
CHAR_UP = $0B
CHAR_RETURN = $0D
CHAR_CTRL_O = $0F
CHAR_RIGHT = $15
CHAR_ESCAPE = $1B
CHAR_DELETE = $7F
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