mode7_demo: move graphics lower so room for sound

asm_routines/gr_scroll.s

@@ -1,7 +1,9 @@
+.ifndef scroll_row1
 scroll_row1	EQU     $8A00
 scroll_row2	EQU	$8B00
 scroll_row3	EQU	$8C00
 scroll_row4	EQU	$8D00
+.endif
 
 SCROLL_LENGTH	EQU	$61
 OFFSET		EQU	$62

asm_routines/multiply_fast.s

@@ -30,10 +30,12 @@
 
 ; Note: DOS3.3 starts at $9600
 
+.ifndef square1_lo
 square1_lo	EQU	$8E00
 square1_hi	EQU	$9000
 square2_lo	EQU	$9200
 square2_hi	EQU	$9400
+.endif
 
 ;	for(i=0;i<512;i++) {
 ;		square1_lo[i]=((i*i)/4)&0xff;

mode7_demo/README.mode7_demo

@@ -10,17 +10,17 @@ Memory Map
  --------  $ffff
 | ROM/IO |
  --------  $c000
-| DOS3.3 |	10.5k
- --------| $9600
-|Multiply|
-| Tables |	2k
- --------  $8E00
+|        |      32k decompress
+ --------  $4000
+|  load  |      8k
+ --------  $2000
+|  free  |
+ --------  $1c00
 | Scroll |
-|  Data  |	1k
- --------  $8A00      
-|        |
-|  Free  |
-|        |	30.5k
+|  Data  |
+ --------  $1800
+|Multiply|
+| Tables |	
  --------  $1000
 |GR pg 2 |	1k
 |--------  $0c00

mode7_demo/mode7_demo.s

@@ -1,5 +1,21 @@
 .include "zp.inc"
 
+square1_lo	EQU	$1000
+square1_hi	EQU	$1200
+square2_lo	EQU	$1400
+square2_hi	EQU	$1600
+
+scroll_row1	EQU	$1800
+scroll_row2	EQU	$1900
+scroll_row3	EQU	$1a00
+scroll_row4	EQU	$1b00
+
+; matches scroll_row1 - row3
+star_x		EQU	$1800
+star_y		EQU	$1900
+star_z		EQU	$1a00
+
+
 start:
 	;================================
 	; include VMW logo line 0

mode7_demo/starfield_demo.s

@@ -375,19 +375,6 @@ move_loop_skip:
 	rts
 
 
-
-
-
-
-
-
-
-
-; matches scroll_row1 - row3
-star_x	EQU	$8A00
-star_y	EQU	$8B00
-star_z	EQU	$8C00
-
 	;==================================================
 	;==================================================
 	; Random Star