snake6502/src/main.asm

83 lines
2.1 KiB
NASM

processor 6502
; Platform specific code
; Code yet to be developed, example to use:
; ----------------------------------------------------------------------
#if SYSTEM = 64
; Commodore64 specific code
#else
; Commodore16 specific code
#endif
; Uninitialized zeropage segment
; ----------------------------------------------------------------------
SEG.U zeropageSegment
org $02
INCLUDE "zeropage.asm"
#if VERBOSE = 1
; Locations $90-$FF in zeropage are used by kernal
ECHO "End of zeropage variables. Space left: ",($90 - .)
#endif
; SID tune (previously properly cleaned, see HVSC)
; ----------------------------------------------------------------------
SEG sidSegment
org $1000
sidtune:
INCBIN "../res.bin/amour2.sid"
#if VERBOSE = 1
ECHO "top $2000: End of SIDtune at ",.,"Space left:",($2000 - .)
ECHO "top $2400: End of SIDtune at ",.,"Space left:",($2400 - .)
#endif
; Font Data
; ----------------------------------------------------------------------
SEG fontSegment
org $2400
; This binary data that defines the font is exactly 2kB long ($800)
INCLUDE "font.asm"
; Program Segment
; ----------------------------------------------------------------------
SEG programSegment
org $2800
INCLUDE "program.asm"
INCLUDE "initdata.asm"
INCLUDE "game.asm"
INCLUDE "gameover.asm"
INCLUDE "introreset.asm"
INCLUDE "subroutines.asm"
INCLUDE "levels.asm"
INCLUDE "intro1.asm"
INCLUDE "multicolor.asm"
INCLUDE "levelreset.asm"
INCLUDE "outro.asm"
#if VERBOSE = 1
ECHO "End of program segment at:",.
ECHO "PACK SIZE:",(. - $1000),"=",[(. - $1000)d]
#endif
; Data variables
; -----------------
SEG.U dataSegment
org $cd00
INCLUDE "data.asm"
#if VERBOSE = 1
ECHO "End of Data segment. Space left:",($ce00 - .)
#endif
; Lists
; -----------------
SEG.U listSegment
org $ce00
listX DS 256
listY DS 256
;
; coded 2017, 2018, 2019, 2020
; by giomba -- giomba at glgprograms.it
; this software is free software and is distributed
; under the terms of GNU GPL v3 license
;