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duke: more work on level1/level2 split

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This commit is contained in:
Vince Weaver 2020-12-17 15:25:55 -05:00
parent 63a44430fa
commit 22c7937a21
9 changed files with 67 additions and 46 deletions
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2
duke/Makefile
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@ -27,7 +27,7 @@ HELLO: hello.bas
LOADER: loader.o
ld65 -o LOADER loader.o -C ../linker_scripts/apple2_1000.inc
loader.o: loader.s
loader.o: loader.s init_vars.s
ca65 -o loader.o loader.s -l loader.lst
####

5
duke/common_defines.inc
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@ -2,3 +2,8 @@ LOAD_TITLE = 0
LOAD_DUKE1 = 1
LOAD_DUKE2 = 2
TILES = $9000
BIG_TILEMAP = $9400
TILEMAP = $BC00

12
duke/duke_level1.s
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@ -1,4 +1,4 @@
; Duke PoC
; Duke PoC Level 1
; by deater (Vince Weaver) <vince@deater.net>
@ -7,10 +7,6 @@
.include "hardware.inc"
.include "common_defines.inc"
TILES = $9000
BIG_TILEMAP = $9400
TILEMAP = $BC00
duke_start:
;===================
; init screen
@ -88,9 +84,9 @@ duke_start:
; load level1 background
;====================================
lda #<duke1_bg_lzsa
lda #<level1_bg_lzsa
sta LZSA_SRC_LO
lda #>duke1_bg_lzsa
lda #>level1_bg_lzsa
sta LZSA_SRC_HI
lda #$c ; load to page $c00
jsr decompress_lzsa2_fast
@ -204,7 +200,7 @@ done_with_duke:
;==========================
; level graphics
.include "graphics/duke_graphics.inc"
.include "graphics/level1_graphics.inc"
.include "text_print.s"
.include "gr_offsets.s"

43
duke/duke_level2.s
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@ -1,4 +1,4 @@
; Duke PoC
; Duke Level2 -- Living Dangerously
; by deater (Vince Weaver) <vince@deater.net>
@ -7,10 +7,6 @@
.include "hardware.inc"
.include "common_defines.inc"
TILES = $9000
BIG_TILEMAP = $9400
TILEMAP = $BC00
duke_start:
;===================
; init screen
@ -34,43 +30,24 @@ duke_start:
sta FRAMEL
sta FRAMEH
sta DISP_PAGE
sta JOYSTICK_ENABLED
sta DUKE_WALKING
sta DUKE_JUMPING
sta LEVEL_OVER
sta LASER_OUT
sta DUKE_XL
sta SCORE0
sta SCORE1
sta SCORE2
sta DUKE_FALLING
sta DUKE_SHOOTING
sta KICK_UP_DUST
sta DOOR_ACTIVATED
sta INVENTORY
lda #<enemy_data
sta ENEMY_DATAL
lda #>enemy_data
sta ENEMY_DATAH
; FIXME: temporary
; lda INVENTORY
; ora #INV_RED_KEY
; sta INVENTORY
; lda #$10
; sta SCORE0
lda #1
sta FIREPOWER
lda #2 ; draw twice (both pages)
sta UPDATE_STATUS
lda #7
sta HEALTH
lda #4
sta DRAW_PAGE
@ -88,9 +65,9 @@ duke_start:
; load level1 background
;====================================
lda #<duke1_bg_lzsa
lda #<level2_bg_lzsa
sta LZSA_SRC_LO
lda #>duke1_bg_lzsa
lda #>level2_bg_lzsa
sta LZSA_SRC_HI
lda #$c ; load to page $c00
jsr decompress_lzsa2_fast
@ -99,9 +76,9 @@ duke_start:
; load level1 tilemap
;====================================
lda #<level1_data_lzsa
lda #<level2_data_lzsa
sta LZSA_SRC_LO
lda #>level1_data_lzsa
lda #>level2_data_lzsa
sta LZSA_SRC_HI
lda #$90 ; load to page $9000
jsr decompress_lzsa2_fast
@ -109,9 +86,9 @@ duke_start:
;====================================
; copy in tilemap subset
;====================================
lda #28
lda #10
sta TILEMAP_X
lda #0
lda #18
sta TILEMAP_Y
jsr copy_tilemap_subset
@ -204,7 +181,7 @@ done_with_duke:
;==========================
; level graphics
.include "graphics/duke_graphics.inc"
.include "graphics/level2_graphics.inc"
.include "text_print.s"
.include "gr_offsets.s"
@ -233,5 +210,5 @@ done_with_duke:
.include "sound_effects.s"
.include "speaker_tone.s"
level1_data_lzsa:
.incbin "maps/level1_map.lzsa"
level2_data_lzsa:
.incbin "maps/level2_map.lzsa"

13
duke/graphics/Makefile
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@ -2,12 +2,17 @@
PNG2GR = ../../gr-utils/png2gr
LZSA = ~/research/lzsa/lzsa/lzsa
all: duke_graphics.inc
all: level1_graphics.inc level2_graphics.inc
####
duke_graphics.inc: duke1_bg.lzsa
echo "duke1_bg_lzsa: .incbin \"duke1_bg.lzsa\"" > duke_graphics.inc
level1_graphics.inc: level1_bg.lzsa
echo "level1_bg_lzsa: .incbin \"level1_bg.lzsa\"" > level1_graphics.inc
####
level2_graphics.inc: level2_bg.lzsa
echo "level2_bg_lzsa: .incbin \"level2_bg.lzsa\"" > level2_graphics.inc
####
@ -20,4 +25,4 @@ duke_graphics.inc: duke1_bg.lzsa
####
clean:
rm -f *~ *.o *.lst *.lzsa duke_graphics.inc
rm -f *~ *.o *.lst *.lzsa level1_graphics.inc level2_graphics.inc

0
duke/graphics/duke1_bg.png → duke/graphics/level1_bg.png
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duke/graphics/level2_bg.png Normal file
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32
duke/init_vars.s Normal file
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@ -0,0 +1,32 @@
;=====================
; init vars
;=====================
init_vars:
lda #0
sta ANIMATE_FRAME
sta FRAMEL
sta FRAMEH
sta DISP_PAGE
sta JOYSTICK_ENABLED
sta DUKE_WALKING
sta DUKE_JUMPING
sta LEVEL_OVER
sta LASER_OUT
sta DUKE_XL
sta SCORE0
sta SCORE1
sta SCORE2
sta DUKE_FALLING
sta DUKE_SHOOTING
sta KICK_UP_DUST
sta DOOR_ACTIVATED
sta INVENTORY
lda #1
sta FIREPOWER
lda #7
sta HEALTH
rts

6
duke/loader.s
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@ -54,6 +54,8 @@ loader_start:
jsr init ; unhook DOS, init nibble table
jsr init_vars
;===================================================
;===================================================
; SETUP THE FILENAME
@ -698,8 +700,12 @@ sectbl: .byte $00,$0d,$0b,$09,$07,$05,$03,$01,$0e,$0c,$0a,$08,$06,$04,$02,$0f
;bit2tbl: .res 86 ; = nibtbl+128
;filbuf: .res 4 ; = bit2tbl+86
;dataend = filbuf+4
.include "init_vars.s"
loader_end:
.assert (<loader_end - <loader_start)>16, error, "loader too big"