prog8/testsource/source2.ill

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2017-12-21 13:52:30 +00:00
; source IL file
; these are comments
2017-12-28 22:03:59 +00:00
output prg, basic ; create a c-64 program with basic SYS call to launch it
zp clobber,restore ; clobber over the zp memory normally used by basic/kernel rom, frees up more zp
2017-12-21 13:52:30 +00:00
~main
{
memory borderb1 = $d020
memory .byte borderb2 = $d020
memory .word screencolors = $d020
memory .array($10) screenblock1 = $0400 ; 10 bytes
memory .array($0100) screenblock2 = $0500 ; 256 bytes
memory .array($0234) screenblock3 = $2000 ; some weird size
memory .wordarray($20) screenblock4 = $0600 ; 32 words
memory .matrix(40,25) charscreen = $0400
var .array($10) var1 = $aa
var .wordarray($10) var2 = $9988
var .array($10) var3 = $11
var var4
var .matrix(40,25) vcharscreen ; init with 0
var .matrix(40,25) vcharscreen2 = 111 ; init with 111
start
; set some colors
Y = 0
borderb1 = Y
X=Y=A = 0
X = 1
screencolors = X
borderb1 = 0
borderb2 = 1
screencolors = $0
screencolors = $0207
; fill block of memory with a single value (byte or word)
;screenblock1,* = A
;screenblock1,* = X
;screenblock1,* = Y
;screenblock1,* = 2
;screenblock1,* = $aaa
;screenblock2,* = A
;screenblock2,* = X
;screenblock2,* = Y
;screenblock2,* = 2
;screenblock2,* = $aaa
;screenblock3,* = A
;screenblock3,* = X
;screenblock3,* = Y
;screenblock3,* = 2
;screenblock3,* = $aaa
;screenblock4,* = A
;screenblock4,* = X
;screenblock4,* = Y
;screenblock4,* = 2
;screenblock4,* = $aaa
; swap bytes
;A = var1[0]
;X = var1[1]
;var1[0] = X
;var1[1] = A
; swap words
;A = var2[0] ; must crash, cannot put word in register
;X = var2[1] ;crash
;var2[0] = X ; ok, 00-padded
;var2[1] = A ; ok, 00-padded
return
}