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cc65/libsrc/c64/c64.inc
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git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-05-28 13:40:48 +00:00

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;
; C64 generic definitions. Stolen from Elite128
;
; ---------------------------------------------------------------------------
; Zero page, Commodore stuff
ST = $90 ; IEC status byte
FNAM_LEN = $B7 ; Length of filename
SECADR = $B9 ; Secondary address
DEVNUM = $BA ; Device number
KEY_COUNT = $C6 ; Number of keys in input buffer
CURS_FLAG = $CC ; 1 = cursor off
CURS_BLINK = $CD ; Blink counter
CURS_CHAR = $CE ; Character under the cursor
CURS_COLOR = $287 ; Color under the cursor
CURS_STATE = $CF ; Cursor blink state
SCREEN_PTR = $D1 ; Pointer to current char in text screen
CURS_X = $D3 ; Cursor column
CURS_Y = $D6 ; Cursor row
CRAM_PTR = $F3 ; Pointer to current char in color RAM
CHARCOLOR = $286
PALFLAG = $2A6 ; $01 = PAL, $00 = NTSC
; ---------------------------------------------------------------------------
; Kernal routines
; Direct entries
CLRSCR = $E544
KBDREAD = $E5B4
NAMED_OPEN = $F3D5
NAMED_CLOSE = $F642
PLOTCHAR = $EA1C ; Char in A, color in X
; ---------------------------------------------------------------------------
; Vector and other locations
IRQVec = $0314
BRKVec = $0316
NMIVec = $0318
; ---------------------------------------------------------------------------
; I/O: VIC
VIC = $D000
VIC_SPR0_X = $D000
VIC_SPR0_Y = $D001
VIC_SPR1_X = $D002
VIC_SPR1_Y = $D003
VIC_SPR2_X = $D004
VIC_SPR2_Y = $D005
VIC_SPR3_X = $D006
VIC_SPR3_Y = $D007
VIC_SPR4_X = $D008
VIC_SPR4_Y = $D009
VIC_SPR5_X = $D00A
VIC_SPR5_Y = $D00B
VIC_SPR6_X = $D00C
VIC_SPR6_Y = $D00D
VIC_SPR7_X = $D00E
VIC_SPR7_Y = $D00F
VIC_SPR_HI_X = $D010
VIC_SPR_ENA = $D015
VIC_SPR_EXP_X = $D017
VIC_SPR_EXP_Y = $D01D
VIC_SPR_MCOLOR = $D01C
VIC_SPR_BG_PRIO = $D01B
VIC_SPR_MCOLOR0 = $D025
VIC_SPR_MCOLOR1 = $D026
VIC_SPR0_COLOR = $D027
VIC_SPR1_COLOR = $D028
VIC_SPR2_COLOR = $D029
VIC_SPR3_COLOR = $D02A
VIC_SPR4_COLOR = $D02B
VIC_SPR5_COLOR = $D02C
VIC_SPR6_COLOR = $D02D
VIC_SPR7_COLOR = $D02E
VIC_CTRL1 = $D011
VIC_CTRL2 = $D016
VIC_HLINE = $D012
VIC_VIDEO_ADR = $D018
VIC_IRR = $D019 ; Interrupt request register
VIC_IMR = $D01A ; Interrupt mask register
VIC_BORDERCOLOR = $D020
VIC_BG_COLOR0 = $D021
VIC_BG_COLOR1 = $D022
VIC_BG_COLOR2 = $D023
VIC_BG_COLOR3 = $D024
; 128 stuff:
VIC_KBD_128 = $D02F ; Extended kbd bits (visible in 64 mode)
VIC_CLK_128 = $D030 ; Clock rate register (visible in 64 mode)
; ---------------------------------------------------------------------------
; I/O: SID
SID = $D400
SID_S1Lo = $D400
SID_S1Hi = $D401
SID_PB1Lo = $D402
SID_PB1Hi = $D403
SID_Ctl1 = $D404
SID_AD1 = $D405
SID_SUR1 = $D406
SID_S2Lo = $D407
SID_S2Hi = $D408
SID_PB2Lo = $D409
SID_PB2Hi = $D40A
SID_Ctl2 = $D40B
SID_AD2 = $D40C
SID_SUR2 = $D40D
SID_S3Lo = $D40E
SID_S3Hi = $D40F
SID_PB3Lo = $D410
SID_PB3Hi = $D411
SID_Ctl3 = $D412
SID_AD3 = $D413
SID_SUR3 = $D414
SID_FltLo = $D415
SID_FltHi = $D416
SID_FltCtl = $D417
SID_Amp = $D418
SID_ADConv1 = $D419
SID_ADConv2 = $D41A
SID_Noise = $D41B
SID_Read3 = $D41C
; ---------------------------------------------------------------------------
; I/O: VDC (128 only)
VDC_INDEX = $D600
VDC_DATA = $D601
; ---------------------------------------------------------------------------
; I/O: CIAs
CIA1 = $DC00
CIA1_PRA = $DC00
CIA1_PRB = $DC01
CIA1_DDRA = $DC02
CIA1_DDRB = $DC03
CIA1_ICR = $DC0D
CIA1_CRA = $DC0E
CIA1_CRB = $DC0F
CIA2 = $DD00
CIA2_PRA = $DD00
CIA2_PRB = $DD01
CIA2_DDRA = $DD02
CIA2_DDRB = $DD03
CIA2_ICR = $DD0D
CIA2_CRA = $DD0E
CIA2_CRB = $DD0F
; ---------------------------------------------------------------------------
; Super CPU
SCPU_VIC_Bank1 = $D075
SCPU_Slow = $D07A
SCPU_Fast = $D07B
SCPU_EnableRegs = $D07E
SCPU_DisableRegs= $D07F
SCPU_Detect = $D0BC
; ---------------------------------------------------------------------------
; Processor Port at $01
LORAM = $01 ; Enable the basic rom
HIRAM = $02 ; Enable the kernal rom
IOEN = $04 ; Enable I/O
CASSDATA = $08 ; Cassette data
CASSPLAY = $10 ; Cassette: Play
CASSMOT = $20 ; Cassette motor on
TP_FAST = $80 ; Switch Rossmoeller TurboProcess to fast mode
RAMONLY = $F8 ; (~(LORAM | HIRAM | IOEN)) & $FF