mirror of
https://github.com/lscharen/iigs-game-engine.git
synced 2024-11-22 11:34:14 +00:00
371 lines
9.4 KiB
ArmAsm
371 lines
9.4 KiB
ArmAsm
; Test driver to exercise graphics routines.
|
|
|
|
REL
|
|
DSK MAINSEG
|
|
|
|
use Locator.Macs
|
|
use Load.Macs
|
|
use Mem.Macs
|
|
use Misc.Macs
|
|
use Util.Macs
|
|
use EDS.GSOS.Macs
|
|
use GTE.Macs
|
|
|
|
mx %00
|
|
|
|
tiledata EXT ; tileset buffer
|
|
TileSetPalette EXT
|
|
|
|
; Keycodes
|
|
LEFT_ARROW equ $08
|
|
RIGHT_ARROW equ $15
|
|
UP_ARROW equ $0B
|
|
DOWN_ARROW equ $0A
|
|
|
|
; Dynamic Tile Animations. Add 4 for each offset
|
|
;
|
|
; Tile IDs = 128,129,130,131
|
|
; 160,161,162,163
|
|
; 192,193,194,195
|
|
; 224,225,226,227
|
|
;
|
|
; Direct page space
|
|
MyUserId equ 0
|
|
BankLoad equ 2
|
|
StartX equ 4
|
|
StartY equ 6
|
|
TileMapWidth equ 8
|
|
TileMapHeight equ 10
|
|
ScreenWidth equ 12
|
|
ScreenHeight equ 14
|
|
MaxGlobalX equ 16
|
|
MaxGlobalY equ 18
|
|
MaxBG0X equ 20
|
|
MaxBG0Y equ 22
|
|
OldOneSecondCounter equ 26
|
|
appTmp0 equ 28
|
|
appTmp1 equ 30
|
|
appTmp2 equ 32
|
|
|
|
phk
|
|
plb
|
|
|
|
sta MyUserId ; GS/OS passes the memory manager user ID for the application into the program
|
|
tdc
|
|
sta MyDirectPage ; Keep a copy for the overlay callback
|
|
|
|
_MTStartUp ; GTE requires the miscellaneous toolset to be running
|
|
|
|
lda #ENGINE_MODE_USER_TOOL+ENGINE_MODE_DYN_TILES ; Engine in Fast Mode
|
|
jsr GTEStartUp ; Load and install the GTE User Tool
|
|
|
|
; Initialize local variables
|
|
|
|
stz StartX
|
|
stz StartY
|
|
stz frameCount
|
|
|
|
; Initialize the graphics screen playfield
|
|
|
|
pea #320
|
|
pea #200
|
|
_GTESetScreenMode
|
|
|
|
; Load a tileset
|
|
|
|
pea #^tiledata
|
|
pea #tiledata
|
|
_GTELoadTileSet
|
|
|
|
pea $0000
|
|
pea #^TileSetPalette
|
|
pea #TileSetPalette
|
|
_GTESetPalette
|
|
|
|
; Set up our level data
|
|
|
|
jsr BG0SetUp
|
|
jsr SetLimits
|
|
|
|
lda #193 ; Tile ID of '0'
|
|
jsr InitOverlay ; Initialize the status bar
|
|
pha
|
|
_GTEGetSeconds
|
|
pla
|
|
sta OldOneSecondCounter
|
|
jsr UdtOverlay
|
|
|
|
; Set up a very specific test. First, we draw a sprite into the sprite plane, and then
|
|
; leave it alone. We are just testing the ability to merge sprite plane data into
|
|
; the play field tiles.
|
|
EvtLoop
|
|
pha
|
|
_GTEReadControl
|
|
pla
|
|
|
|
jsr HandleKeys ; Do the generic key handlers
|
|
bcs :do_more
|
|
brl :do_render
|
|
|
|
:do_more
|
|
cmp #'d'
|
|
bne :not_d
|
|
lda StartX
|
|
cmp MaxBG0X
|
|
bcc *+5
|
|
brl :do_render
|
|
inc StartX
|
|
pei StartX
|
|
pei StartY
|
|
_GTESetBG0Origin
|
|
brl :do_render
|
|
:not_d
|
|
|
|
cmp #'a'
|
|
bne :not_a
|
|
lda StartX
|
|
bne *+5
|
|
brl :do_render
|
|
dec StartX
|
|
pei StartX
|
|
pei StartY
|
|
_GTESetBG0Origin
|
|
brl :do_render
|
|
:not_a
|
|
|
|
cmp #'s'
|
|
bne :not_s
|
|
lda StartY
|
|
cmp MaxBG0Y
|
|
bcs :do_render
|
|
inc StartY
|
|
pei StartX
|
|
pei StartY
|
|
_GTESetBG0Origin
|
|
bra :do_render
|
|
:not_s
|
|
|
|
cmp #'w'
|
|
bne :not_w
|
|
lda StartY
|
|
beq :do_render
|
|
dec StartY
|
|
pei StartX
|
|
pei StartY
|
|
_GTESetBG0Origin
|
|
bra :do_render
|
|
:not_w
|
|
|
|
:do_render
|
|
jsr SetDynTiles
|
|
|
|
pea $0000
|
|
_GTERender
|
|
|
|
; Update the performance counters
|
|
|
|
inc frameCount
|
|
pha
|
|
_GTEGetSeconds
|
|
pla
|
|
cmp OldOneSecondCounter
|
|
beq :noudt
|
|
sta OldOneSecondCounter
|
|
jsr UdtOverlay
|
|
stz frameCount
|
|
:noudt
|
|
brl EvtLoop
|
|
|
|
; Exit code
|
|
Exit
|
|
_GTEShutDown
|
|
Quit
|
|
_QuitGS qtRec
|
|
|
|
bcs Fatal
|
|
Fatal brk $00
|
|
|
|
qtRec adrl $0000
|
|
da $00
|
|
|
|
; Color palette
|
|
MyDirectPage ds 2
|
|
|
|
; Pick the correct shift for each of the 16 background tiles over 32 horizontal positions
|
|
|
|
SetDynTiles
|
|
lda StartX
|
|
and #$001F
|
|
asl
|
|
sta appTmp0
|
|
stz appTmp1
|
|
stz appTmp2
|
|
|
|
jsr setDynRow
|
|
|
|
lda appTmp1
|
|
clc
|
|
adc #4
|
|
sta appTmp1
|
|
|
|
lda appTmp2
|
|
clc
|
|
adc #32
|
|
sta appTmp2
|
|
|
|
jsr setDynRow
|
|
|
|
lda appTmp1
|
|
clc
|
|
adc #4
|
|
sta appTmp1
|
|
|
|
lda appTmp2
|
|
clc
|
|
adc #32
|
|
sta appTmp2
|
|
|
|
jsr setDynRow
|
|
|
|
lda appTmp1
|
|
clc
|
|
adc #4
|
|
sta appTmp1
|
|
|
|
lda appTmp2
|
|
clc
|
|
adc #32
|
|
sta appTmp2
|
|
|
|
jmp setDynRow
|
|
|
|
setDynRow
|
|
ldx appTmp0
|
|
lda tile128,x
|
|
clc
|
|
adc appTmp2
|
|
inc
|
|
pha
|
|
lda appTmp1
|
|
clc
|
|
adc #0
|
|
pha
|
|
_GTECopyTileToDynamic
|
|
|
|
ldx appTmp0
|
|
lda tile129,x
|
|
clc
|
|
adc appTmp2
|
|
inc
|
|
pha
|
|
lda appTmp1
|
|
clc
|
|
adc #1
|
|
pha
|
|
_GTECopyTileToDynamic
|
|
|
|
ldx appTmp0
|
|
lda tile130,x
|
|
clc
|
|
adc appTmp2
|
|
inc
|
|
pha
|
|
lda appTmp1
|
|
clc
|
|
adc #2
|
|
pha
|
|
_GTECopyTileToDynamic
|
|
|
|
ldx appTmp0
|
|
lda tile131,x
|
|
clc
|
|
adc appTmp2
|
|
inc
|
|
pha
|
|
lda appTmp1
|
|
clc
|
|
adc #3
|
|
pha
|
|
_GTECopyTileToDynamic
|
|
|
|
rts
|
|
|
|
tile128 dw 128,132,136,140,144,148,152,156
|
|
tile131 dw 131,135,139,143,147,151,155,159
|
|
tile130 dw 130,134,138,142,146,150,154,158
|
|
tile129 dw 129,133,137,141,145,149,153,157
|
|
dw 128,132,136,140,144,148,152,156
|
|
dw 131,135,139,143,147,151,155,159
|
|
dw 130,134,138,142,146,150,154,158
|
|
|
|
;tile129 dw 129,133,137,141,145,149,153,157
|
|
; dw 128,132,136,140,144,148,152,156
|
|
; dw 131,135,138,143,147,151,155,159
|
|
; dw 130,134,138,142,146,150,154,158
|
|
|
|
|
|
|
|
SetLimits
|
|
pha ; Allocate space for width (in tiles), height (in tiles), pointer
|
|
pha
|
|
pha
|
|
pha
|
|
_GTEGetBG0TileMapInfo
|
|
pla
|
|
sta TileMapWidth
|
|
pla
|
|
sta TileMapHeight
|
|
pla
|
|
pla ; discard the pointer
|
|
|
|
pha ; Allocate space for x, y, width, height
|
|
pha
|
|
pha
|
|
pha
|
|
_GTEGetScreenInfo
|
|
pla
|
|
pla ; Discard screen corner
|
|
pla
|
|
sta ScreenWidth
|
|
pla
|
|
sta ScreenHeight
|
|
|
|
lda TileMapWidth
|
|
asl
|
|
asl
|
|
sta MaxGlobalX
|
|
sec
|
|
sbc ScreenWidth
|
|
sta MaxBG0X
|
|
|
|
lda TileMapHeight
|
|
asl
|
|
asl
|
|
asl
|
|
sta MaxGlobalY
|
|
sec
|
|
sbc ScreenHeight
|
|
sta MaxBG0Y
|
|
|
|
; Check if the current StartX and StartY are out of bounds
|
|
lda StartX
|
|
cmp MaxBG0X
|
|
bcc :x_ok
|
|
lda MaxBG0X
|
|
:x_ok pha
|
|
|
|
lda StartY
|
|
cmp MaxBG0Y
|
|
bcc :y_ok
|
|
lda MaxBG0Y
|
|
:y_ok pha
|
|
_GTESetBG0Origin
|
|
|
|
rts
|
|
|
|
frameCount equ 24
|
|
|
|
PUT ../StartUp.s
|
|
PUT ../../shell/Overlay.s
|
|
PUT gen/App.TileMapBG0.s
|