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5c5d01d84a
in the distribution. Added --forget-inc-paths to the command line of the assembler in the Makefiles, because the assembler does now have builtin paths and will find include files from an installation first. Hopefully fixed any problems that arose from the two changes. git-svn-id: svn://svn.cc65.org/cc65/trunk@4223 b7a2c559-68d2-44c3-8de9-860c34a00d81
78 lines
2.4 KiB
PHP
78 lines
2.4 KiB
PHP
;
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; Vic20 generic definitions. Stolen mostly from c64.inc - Steve Schmidtke
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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 ; Pointer to filename
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KEY_COUNT := $C6 ; Number of keys in input buffer
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RVS := $C7 ; Reverse flag
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CURS_FLAG := $CC ; 1 = cursor off
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CURS_BLINK := $CD ; Blink counter
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CURS_CHAR := $CE ; Character under the cursor
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CURS_STATE := $CF ; Cursor blink state
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SCREEN_PTR := $D1 ; Pointer to current char in text screen
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CURS_X := $D3 ; Cursor column
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CURS_Y := $D6 ; Cursor row
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CRAM_PTR := $F3 ; Pointer to current char in color RAM
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BASIC_BUF := $200 ; Location of command-line
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BASIC_BUF_LEN = 89 ; Maximum length of command-line
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CHARCOLOR := $286
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CURS_COLOR := $287 ; Color under the cursor
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; ---------------------------------------------------------------------------
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; Screen size
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XSIZE = 22
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YSIZE = 23
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; ---------------------------------------------------------------------------
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; Kernal routines
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; Direct entries
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CLRSCR := $E55F
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KBDREAD := $E5CF
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; ---------------------------------------------------------------------------
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; Vector and other locations
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IRQVec := $0314
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BRKVec := $0316
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NMIVec := $0318
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; ---------------------------------------------------------------------------
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; I/O: 6560 VIC
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VIC := $9000
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VIC_LINES := $9003 ; Screen lines, bit 7 is bit 0 from VIC_HLINE
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VIC_HLINE := $9004 ; Rasterline, bits 1-8
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VIC_COLOR := $900F ; Border and background color
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; ---------------------------------------------------------------------------
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; I/O: 6522 VIA1
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VIA1 := $9110
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VIA1_JOY := $9111
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VIA1_DDRB := $9112
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VIA1_DDRA := $9113
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; ---------------------------------------------------------------------------
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; I/O: 6522 VIA2
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VIA2 := $9120
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VIA2_JOY := $9120
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VIA2_DDRB := $9122
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VIA2_DDRA := $9123
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