iigs-game-engine/test/App.Main.s

279 lines
8.2 KiB
ArmAsm

; Test program for graphics stufff...
rel
use Util.Macs.s
use Locator.Macs.s
use Mem.Macs.s
use Misc.Macs.s
put ..\macros\App.Macs.s
put ..\macros\EDS.GSOS.MACS.s
mx %00
; Typical init
phk
plb
; Tool startup
_TLStartUp ; normal tool initialization
pha
_MMStartUp
_Err ; should never happen
pla
sta MasterId ; our master handle references the memory allocated to us
ora #$0100 ; set auxID = $01 (valid values $01-0f)
sta UserId ; any memory we request must use our own id
; Start up the graphics engine...
jsr MemInit
; Load a picture and copy it into Bank $E1. Then turn on the screen.
jsr AllocOneBank ; Alloc 64KB for Load/Unpack
sta BankLoad ; Store "Bank Pointer"
ldx #ImageName ; Load+Unpack Boot Picture
jsr LoadPicture ; X=Name, A=Bank to use for loading
lda BankLoad ; get address of loaded/uncompressed picture
clc
adc #$0080 ; skip header?
sta :copySHR+2 ; and store that over the 'ldal' address below
ldx #$7FFE ; copy all image data
:copySHR ldal $000000,x ; load from BankLoad we allocated
stal $E12000,x ; store to SHR screen
dex
dex
bpl :copySHR
jsr GrafOn
jsr WaitForKey
; Deallocate all of our memory
PushWord UserId
_DisposeAll
Exit _QuitGS qtRec
bcs Fatal
Fatal brk $00
WaitForKey sep #$30
:WFK ldal $00C000
bpl :WFK
stal $00C010
rep #$30
rts
****************************************
* Fatal Error Handler *
****************************************
PgmDeath tax
pla
inc
phx
phk
pha
bra ContDeath
PgmDeath0 pha
pea $0000
pea $0000
ContDeath ldx #$1503
jsl $E10000
; Graphic screen initialization
GrafInit ldx #$7FFE
lda #0000
:loop stal $E12000,x
dex
dex
bne :loop
rts
GrafOn sep #$30
lda #$81
stal $00C029
rep #$30
rts
; Bank allocator (for one full, fixed bank of memory. Can be immediately deferenced)
AllocOneBank PushLong #0
PushLong #$10000
PushWord UserId
PushWord #%11000000_00011100
PushLong #0
_NewHandle ; returns LONG Handle on stack
plx ; base address of the new handle
pla ; high address 00XX of the new handle (bank)
xba ; swap accumulator bytes to XX00
sta :bank+2 ; store as bank for next op (overwrite $XX00)
:bank ldal $000001,X ; recover the bank address in A=XX/00
rts
; Graphics helpers
LoadPicture jsr LoadFile ; X=Nom Image, A=Banc de chargement XX/00
bcc :loadOK
brl Exit
:loadOK jsr UnpackPicture ; A=Packed Size
rts
UnpackPicture sta UP_PackedSize ; Size of Packed Data
lda #$8000 ; Size of output Data Buffer
sta UP_UnPackedSize
lda BankLoad ; Banc de chargement / Decompression
sta UP_Packed+1 ; Packed Data
clc
adc #$0080
stz UP_UnPacked ; On remet a zero car modifie par l'appel
stz UP_UnPacked+2
sta UP_UnPacked+1 ; Unpacked Data buffer
PushWord #0 ; Space for Result : Number of bytes unpacked
PushLong UP_Packed ; Pointer to buffer containing the packed data
PushWord UP_PackedSize ; Size of the Packed Data
PushLong #UP_UnPacked ; Pointer to Pointer to unpacked buffer
PushLong #UP_UnPackedSize ; Pointer to a Word containing size of unpacked data
_UnPackBytes
pla ; Number of byte unpacked
rts
UP_Packed hex 00000000 ; Address of Packed Data
UP_PackedSize hex 0000 ; Size of Packed Data
UP_UnPacked hex 00000000 ; Address of Unpacked Data Buffer (modified)
UP_UnPackedSize hex 0000 ; Size of Unpacked Data Buffer (modified)
; Basic I/O function to load files
LoadFile stx openRec+4 ; X=File, A=Bank/Page XX/00
sta readRec+5
:openFile _OpenGS openRec
bcs :openReadErr
lda openRec+2
sta eofRec+2
sta readRec+2
_GetEOFGS eofRec
lda eofRec+4
sta readRec+8
lda eofRec+6
sta readRec+10
_ReadGS readRec
bcs :openReadErr
:closeFile _CloseGS closeRec
clc
lda eofRec+4 ; File Size
rts
:openReadErr jsr :closeFile
nop
nop
PushWord #0
PushLong #msgLine1
PushLong #msgLine2
PushLong #msgLine3
PushLong #msgLine4
_TLTextMountVolume
pla
cmp #1
bne :loadFileErr
brl :openFile
:loadFileErr sec
rts
msgLine1 str 'Unable to load File'
msgLine2 str 'Press a key :'
msgLine3 str ' -> Return to Try Again'
msgLine4 str ' -> Esc to Quit'
; Data storage
ImageName strl '1/test.pic'
MasterId ds 2
UserId ds 2
BankLoad hex 0000
openRec dw 2 ; pCount
ds 2 ; refNum
adrl ImageName ; pathname
eofRec dw 2 ; pCount
ds 2 ; refNum
ds 4 ; eof
readRec dw 4 ; pCount
ds 2 ; refNum
ds 4 ; dataBuffer
ds 4 ; requestCount
ds 4 ; transferCount
closeRec dw 1 ; pCount
ds 2 ; refNum
qtRec adrl $0000
da $00
put App.Init.s