polishing

Makefile

@@ -8,7 +8,7 @@ RES=res.bin/amour2.sid res.bin/levels.bin res.bin/unlzg.bin
 all: bin/snake6502.bin bin/snake6502.d64
 
 bin/snake6502.bin: bin/snake.pack.lz
-	dasm src/cart.asm -Isrc/ -DVERBOSE=$(VERBOSE) -f3 -T1 -sbuild/cart.symbols.txt -obin/snake6502.bin
+	dasm src/cart.asm -Isrc/ -f3 -T1 -sbuild/cart.symbols.txt -obin/snake6502.bin
 
 bin/snake6502.d64: bin/loader.prg
 	c1541 -format "snake6502,01" d64 bin/snake6502.d64
@@ -16,13 +16,13 @@ bin/snake6502.d64: bin/loader.prg
 	c1541 -attach bin/snake6502.d64 -write bin/snake.pack.lz.prg packlz
 
 bin/loader.prg: bin/snake.pack.lz.prg
-	dasm src/loader.asm -Isrc/ -DVERBOSE=$(VERBOSE) -f1 -sbuild/loader.sybols.txt -obin/loader.prg
+	dasm src/loader.asm -Isrc/ -f1 -sbuild/loader.sybols.txt -obin/loader.prg
 
 bin/snake.prg: bin/snake.pack
-	dasm src/prg.asm -Isrc/ -DVERBOSE=$(VERBOSE) -f1 -T1 -sbuild/prg.symbols.txt -obin/snake.prg
+	dasm src/prg.asm -Isrc/ -f1 -T1 -sbuild/prg.symbols.txt -obin/snake.prg
 
 bin/snake.pack: env $(ASM) $(RES) bin/explodefont
-	dasm src/main.asm -Isrc/ -DSYSTEM=64 -DDEBUG=$(DEBUG) -DVERBOSE=$(VERBOSE) -f3 -T1 -sbuild/pack.symbols.txt -obin/snake.pack
+	dasm src/main.asm -Isrc/ -DSYSTEM=64 -DDEBUG=$(DEBUG) -f3 -T1 -sbuild/pack.symbols.txt -obin/snake.pack
 
 bin/snake.pack.lz: bin/snake.pack liblzg/src/tools/lzg
 	liblzg/src/tools/lzg bin/snake.pack > bin/snake.pack.lz

README.md

@@ -1,5 +1,6 @@
 # snake6502
 
+![Intro screenshot](scrot/intro.png)
 ![Gameplay screenshot](scrot/gameplay.png)
 
 *snake6502* is a snake-like game clone for Commodore home computers, written for fun because «I always wanted to code something for a computer of my retrocomputers collection – actually, this is the main reason I collect them: to write programs».
@@ -26,8 +27,6 @@ You can also define the following environment variables:
 
 ```$ DEBUG=1 make```        build with debugging artifacts
 
-```$ VERBOSE=1 make```      output useful info during compilation
-
 ## Tape
 Copy ```loader.prg``` and ```packlz``` from disk to tape.
 On a physical machine, you can use [disk2tape](https://git.giomba.it/giomba/cbmutil).

src/cart.asm

@@ -1,10 +1,12 @@
     processor 6502
 
+; SEGMENTS
     SEG.U zeropageSegment
     org $02
     SEG loaderSegment
     org $8000
 
+; LOADER
     SEG loaderSegment
 cartridge SUBROUTINE
     WORD .coldstart
@@ -46,10 +48,8 @@ cartridge SUBROUTINE
     ; decompression util
     INCLUDE "lzgmini.asm"
 
-#if VERBOSE = 1
     ECHO "8k CARTRIDGE SIZE:",(. - $8000),"=",[(. - $8000)d]
     ECHO "SPACE LEFT:",($9fff - .),"=",[($9fff - .)d]
-#endif
 
     ; force filler for the *PROM
 . = $9fff

src/loader.asm

@@ -54,7 +54,4 @@ packFileName:
     BYTE "PACKLZ"
 packFileNameEnd:
 
-#if VERBOSE = 1
-    ECHO "PRG SIZE:",(. - $801),"=",[(. - $801)d]
-#endif
 

src/prg.asm

@@ -1,26 +0,0 @@
-    processor 6502
-
-    SEG.U
-    org $02
-    INCLUDE "zeropage.asm"
-
-    SEG autostart
-    org $801
-autostartRoutine SUBROUTINE
-    ; this is at $801
-    ; and it MUST be exactly at this location in order to autostart
-	; 10 SYS2060 ($80c) BASIC autostart
-    BYTE #$0b,#$08,#$0a,#$00,#$9e,#$32,#$30,#$36,#$31,#$00,#$00,#$00
-
-    ; this is at (2061 dec)=($80d)
-    ; and it MUST be exactly after the above BASIC statement
-. = $80d
-    jmp $2800
-
-. = $1000
-    INCBIN "../bin/snake.pack"
-
-#if VERBOSE = 1
-    ECHO "PRG SIZE:",(. - $801 + 2),"=",[(. - $801 + 2)d]
-#endif
-