iigs-game-engine/demos/smb/Main.s
Lucas Scharenbroich 3eba3fa8e6 Secret stuff
2023-05-04 17:30:22 -05:00

51 lines
1.4 KiB
ArmAsm

REL
use Locator.Macs
use Load.Macs
use Mem.Macs
use Misc.Macs
use Util.Macs
use EDS.GSOS.Macs
use GTE.Macs
use Externals.s
mx %00
; Direct page space
MyUserId equ 0
phk
plb
sta MyUserId ; GS/OS passes the memory manager user ID for the application into the program
_MTStartUp ; GTE requires the miscellaneous toolset to be running
pea $00A0 ; Load from System:Tools
pea $0100 ; Tool160, version 1.0
_LoadOneTool
clc ; Give GTE a page of direct page memory
tdc
adc #$0100
pha
pea $0000 ; Default fast mode
lda MyUserId ; Pass the userId for memory allocation
pha
_GTEStartUp
; Initialize the graphics screen playfield (256x160). The NES is 240 lines high, so 160
; is a reasonable compromise.
pea #160
pea #200
_GTESetScreenMode
; Convert the CHR ROM from the cart into GTE tiles
; jsr LoadTilesFromROM
_GTEShutDown
_QuitGS qtRec
qtRec adrl $0000
da $00