2 ; C64 generic definitions. Stolen from Elite128
6 ; ---------------------------------------------------------------------------
7 ; Zero page, Commodore stuff
9 ST := $90 ; IEC status byte
11 TIME := $A0 ; 60 HZ clock
12 FNAM_LEN := $B7 ; Length of filename
13 SECADR := $B9 ; Secondary address
14 DEVNUM := $BA ; Device number
15 FNAM := $BB ; Pointer to filename
16 KEY_COUNT := $C6 ; Number of keys in input buffer
17 RVS := $C7 ; Reverse flag
18 CURS_FLAG := $CC ; 1 = cursor off
19 CURS_BLINK := $CD ; Blink counter
20 CURS_CHAR := $CE ; Character under the cursor
21 CURS_STATE := $CF ; Cursor blink state
22 SCREEN_PTR := $D1 ; Pointer to current char in text screen
23 CURS_X := $D3 ; Cursor column
24 CURS_Y := $D6 ; Cursor row
25 CRAM_PTR := $F3 ; Pointer to current char in color RAM
27 BASIC_BUF := $200 ; Location of command-line
28 BASIC_BUF_LEN = 89 ; Maximum length of command-line
31 CURS_COLOR := $287 ; Color under the cursor
32 PALFLAG := $2A6 ; $01 = PAL, $00 = NTSC
35 ; ---------------------------------------------------------------------------
43 ; ---------------------------------------------------------------------------
44 ; Vector and other locations
50 ; ---------------------------------------------------------------------------
56 ; ---------------------------------------------------------------------------
78 VIC_SPR_EXP_Y := $D017
79 VIC_SPR_EXP_X := $D01D
80 VIC_SPR_MCOLOR := $D01C
81 VIC_SPR_BG_PRIO := $D01B
83 VIC_SPR_MCOLOR0 := $D025
84 VIC_SPR_MCOLOR1 := $D026
86 VIC_SPR0_COLOR := $D027
87 VIC_SPR1_COLOR := $D028
88 VIC_SPR2_COLOR := $D029
89 VIC_SPR3_COLOR := $D02A
90 VIC_SPR4_COLOR := $D02B
91 VIC_SPR5_COLOR := $D02C
92 VIC_SPR6_COLOR := $D02D
93 VIC_SPR7_COLOR := $D02E
100 VIC_VIDEO_ADR := $D018
102 VIC_IRR := $D019 ; Interrupt request register
103 VIC_IMR := $D01A ; Interrupt mask register
105 VIC_BORDERCOLOR := $D020
106 VIC_BG_COLOR0 := $D021
107 VIC_BG_COLOR1 := $D022
108 VIC_BG_COLOR2 := $D023
109 VIC_BG_COLOR3 := $D024
112 VIC_KBD_128 := $D02F ; Extended kbd bits (visible in 64 mode)
113 VIC_CLK_128 := $D030 ; Clock rate register (visible in 64 mode)
116 ; ---------------------------------------------------------------------------
153 ; ---------------------------------------------------------------------------
154 ; I/O: VDC (128 only)
159 ; ---------------------------------------------------------------------------
188 ; ---------------------------------------------------------------------------
191 SCPU_VIC_Bank1 := $D075
194 SCPU_EnableRegs := $D07E
195 SCPU_DisableRegs:= $D07F
199 ; ---------------------------------------------------------------------------
200 ; Processor Port at $01
202 LORAM = $01 ; Enable the basic rom
203 HIRAM = $02 ; Enable the kernal rom
204 IOEN = $04 ; Enable I/O
205 CASSDATA = $08 ; Cassette data
206 CASSPLAY = $10 ; Cassette: Play
207 CASSMOT = $20 ; Cassette motor on
208 TP_FAST = $80 ; Switch Rossmoeller TurboProcess to fast mode
210 RAMONLY = $F8 ; (~(LORAM | HIRAM | IOEN)) & $FF