EGFX · FUNCTION 29ALPHA · USE AT YOUR OWN RISK
TILE_INIT
Initialise a tile map.
Sets columns, rows and horizontal/vertical wrapping.
Parameters
| Name | Order | Description |
|---|---|---|
COLUMNS/ROWS | 8–9 | Map dimensions, 1–64. |
WRAP | 10 | Bit 0 X wrap, bit 1 Y wrap. |
BASIC example
Tested listing: tiles-demo.bas.
10 MODE 1:HIMEM=&2400:PROCeginit:PROCegloadsprites("SPRITES",6)
20 PROCegtileinit(4,4,3):d$="":FOR i%=0 TO 15:d$=d$+CHR$(i% MOD 8):NEXT:PROCegtileupload(0,d$)
30 x%=0:REPEAT
40 PROCegtiledraw(x%,0,0,0,20,14,0):PROCegpresent
50 x%=(x%+1) MOD 4:UNTIL INKEY(0)=81
60 END
Assembly example
JSR init_egfx
JSR begin_frame
LDA #29 : JSR eg_call
JSR present_frame
RTS