mirror of
https://github.com/cc65/cc65.git
synced 2024-12-26 08:32:00 +00:00
33 lines
989 B
PHP
33 lines
989 B
PHP
|
;
|
||
|
|
; C64 generic definitions. Stolen from Elite128
|
||
|
|
;
|
||
|
|
|
||
|
|
|
||
|
|
; ---------------------------------------------------------------------------
|
||
|
|
; Zero page, Commodore stuff
|
||
|
|
|
||
|
|
MEMSIZE = $34 ; Size of memory installed
|
||
|
|
ST = $96 ; IEC status byte
|
||
|
|
SECADR = $D3 ; Secondary address
|
||
|
|
DEVNUM = $D4 ; Device number
|
||
|
|
KEY_COUNT = $9E ; Number of keys in input buffer
|
||
|
|
CURS_FLAG = $A7 ; 1 = cursor off
|
||
|
|
CURS_BLINK = $A8 ; Blink counter
|
||
|
|
CURS_CHAR = $A9 ; Character under the cursor
|
||
|
|
CURS_STATE = $AA ; Cursor blink state
|
||
|
|
SCREEN_PTR = $C4 ; Pointer to current char in text screen
|
||
|
|
CURS_X = $C6 ; Cursor column
|
||
|
|
CURS_Y = $D8 ; Cursor row
|
||
|
|
SCR_LINELEN = $D5 ; Screen line length
|
||
|
|
|
||
|
|
KEY_BUF = $26F ; Keyboard buffer
|
||
|
|
|
||
|
|
|
||
|
|
; ---------------------------------------------------------------------------
|
||
|
|
; Vector and other locations
|
||
|
|
|
||
|
|
IRQVec = $0090
|
||
|
|
BRKVec = $0092
|
||
|
|
NMIVec = $0094
|
||
|
|
|