mirror of
https://github.com/cc65/cc65.git
synced 2024-12-27 00:29:31 +00:00
214 lines
5.7 KiB
PHP
214 lines
5.7 KiB
PHP
;
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; C64 generic definitions. Stolen from Elite128
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;
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; ---------------------------------------------------------------------------
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; Zero page, Commodore stuff
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ST := $90 ; IEC status byte
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TIME := $A0 ; 60HZ clock
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FNAM_LEN := $B7 ; Length of filename
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SECADR := $B9 ; Secondary address
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DEVNUM := $BA ; Device number
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FNAM := $BB ; Address of filename
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FNAM_BANK := $C7 ; Bank for filename
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KEY_COUNT := $D0 ; Number of keys in input buffer
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FKEY_COUNT := $D1 ; Characters for function key
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MODE := $D7 ; 40/80 column mode flag
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CURS_X := $EC ; Cursor column
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CURS_Y := $EB ; Cursor row
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SCREEN_PTR := $E0 ; Pointer to current char in text screen
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CRAM_PTR := $E2 ; Pointer to current char in color RAM
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CHARCOLOR := $F1
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RVS := $F3 ; Reverse output flag
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SCROLL := $F8 ; Disable scrolling flag
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BASIC_BUF := $200 ; Location of command-line
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BASIC_BUF_LEN = 162 ; Maximum length of command-line
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FETCH := $2A2 ; Fetch subroutine in RAM
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FETVEC := $2AA ; Vector patch location for FETCH
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STASH := $2AF ; Stash routine in RAM
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STAVEC := $2B9 ; Vector patch location for STASH
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PALFLAG := $A03 ; $FF=PAL, $00=NTSC
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INIT_STATUS := $A04 ; Flag: Reset/NMI Status
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FKEY_LEN := $1000 ; Function key lengths
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FKEY_TEXT := $100A ; Function key texts
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; ---------------------------------------------------------------------------
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; Kernal routines
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; Direct entries
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CURS_SET := $CD57
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CURS_ON := $CD6F
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CURS_OFF := $CD9F
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CLRSCR := $C142
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KBDREAD := $C006
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NEWLINE := $C363
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PRINT := $C322
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NMIEXIT := $FF33
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INDFET := $FF74
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; ---------------------------------------------------------------------------
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; Vectors
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IRQVec := $0314
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BRKVec := $0316
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NMIVec := $0318
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KeyStoreVec := $033C
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; ---------------------------------------------------------------------------
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; I/O: VIC
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VIC := $D000
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VIC_SPR0_X := $D000
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VIC_SPR0_Y := $D001
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VIC_SPR1_X := $D002
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VIC_SPR1_Y := $D003
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VIC_SPR2_X := $D004
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VIC_SPR2_Y := $D005
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VIC_SPR3_X := $D006
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VIC_SPR3_Y := $D007
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VIC_SPR4_X := $D008
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VIC_SPR4_Y := $D009
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VIC_SPR5_X := $D00A
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VIC_SPR5_Y := $D00B
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VIC_SPR6_X := $D00C
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VIC_SPR6_Y := $D00D
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VIC_SPR7_X := $D00E
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VIC_SPR7_Y := $D00F
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VIC_SPR_HI_X := $D010
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VIC_SPR_ENA := $D015
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VIC_SPR_EXP_Y := $D017
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VIC_SPR_EXP_X := $D01D
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VIC_SPR_MCOLOR := $D01C
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VIC_SPR_BG_PRIO := $D01B
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VIC_SPR_MCOLOR0 := $D025
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VIC_SPR_MCOLOR1 := $D026
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VIC_SPR0_COLOR := $D027
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VIC_SPR1_COLOR := $D028
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VIC_SPR2_COLOR := $D029
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VIC_SPR3_COLOR := $D02A
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VIC_SPR4_COLOR := $D02B
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VIC_SPR5_COLOR := $D02C
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VIC_SPR6_COLOR := $D02D
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VIC_SPR7_COLOR := $D02E
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VIC_CTRL1 := $D011
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VIC_CTRL2 := $D016
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VIC_HLINE := $D012
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VIC_VIDEO_ADR := $D018
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VIC_IRR := $D019 ; Interrupt request register
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VIC_IMR := $D01A ; Interrupt mask register
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VIC_BORDERCOLOR := $D020
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VIC_BG_COLOR0 := $D021
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VIC_BG_COLOR1 := $D022
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VIC_BG_COLOR2 := $D023
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VIC_BG_COLOR3 := $D024
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; 128 stuff:
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VIC_KBD_128 := $D02F ; Extended kbd bits (visible in 64 mode)
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VIC_CLK_128 := $D030 ; Clock rate register (visible in 64 mode)
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; ---------------------------------------------------------------------------
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; I/O: SID
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SID := $D400
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SID_S1Lo := $D400
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SID_S1Hi := $D401
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SID_PB1Lo := $D402
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SID_PB1Hi := $D403
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SID_Ctl1 := $D404
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SID_AD1 := $D405
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SID_SUR1 := $D406
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SID_S2Lo := $D407
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SID_S2Hi := $D408
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SID_PB2Lo := $D409
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SID_PB2Hi := $D40A
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SID_Ctl2 := $D40B
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SID_AD2 := $D40C
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SID_SUR2 := $D40D
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SID_S3Lo := $D40E
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SID_S3Hi := $D40F
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SID_PB3Lo := $D410
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SID_PB3Hi := $D411
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SID_Ctl3 := $D412
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SID_AD3 := $D413
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SID_SUR3 := $D414
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SID_FltLo := $D415
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SID_FltHi := $D416
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SID_FltCtl := $D417
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SID_Amp := $D418
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SID_ADConv1 := $D419
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SID_ADConv2 := $D41A
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SID_Noise := $D41B
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SID_Read3 := $D41C
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; ---------------------------------------------------------------------------
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; I/O: VDC (128 only)
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VDC_INDEX := $D600
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VDC_DATA := $D601
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; ---------------------------------------------------------------------------
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; I/O: CIAs
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CIA1 := $DC00
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CIA1_PRA := $DC00
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CIA1_PRB := $DC01
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CIA1_DDRA := $DC02
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CIA1_DDRB := $DC03
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CIA1_TOD10 := $DC08
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CIA1_TODSEC := $DC09
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CIA1_TODMIN := $DC0A
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CIA1_TODHR := $DC0B
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CIA1_ICR := $DC0D
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CIA1_CRA := $DC0E
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CIA1_CRB := $DC0F
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CIA2 := $DD00
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CIA2_PRA := $DD00
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CIA2_PRB := $DD01
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CIA2_DDRA := $DD02
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CIA2_DDRB := $DD03
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CIA2_TOD10 := $DD08
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CIA2_TODSEC := $DD09
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CIA2_TODMIN := $DD0A
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CIA2_TODHR := $DD0B
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CIA2_ICR := $DD0D
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CIA2_CRA := $DD0E
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CIA2_CRB := $DD0F
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; ---------------------------------------------------------------------------
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; I/O: MMU
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MMU_CR := $FF00
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MMU_CFG_CC65 := %00001110 ; Bank 0 with kernal ROM
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MMU_CFG_RAM0 := %00111111 ; Bank 0 full RAM
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MMU_CFG_RAM1 := %01111111 ; Bank 1 full RAM
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MMU_CFG_RAM2 := %10111111 ; Bank 2 full RAM
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MMU_CFG_RAM3 := %11111111 ; Bank 3 full RAM
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; ---------------------------------------------------------------------------
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; Super CPU
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SCPU_VIC_Bank1 := $D075
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SCPU_Slow := $D07A
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SCPU_Fast := $D07B
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SCPU_EnableRegs := $D07E
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SCPU_DisableRegs:= $D07F
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SCPU_Detect := $D0BC
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