; Hello world.
; Writen in Sux assembly by mr b0nk 500 <b0nk@b0nk.xyz>

; Initialize, and declare variables.
.org $8000
string:
	.byte "Hello, world!\n"

; Text buffer.
.org $2000
buffer:


; Get CPU into a known state.
.org $0
reset:
	cps		; Reset the processor status.
	ldx.w #$FFFF	; Set up the stack pointer.
	txs		; Reset the stack pointer.

; Start of main program.
start:
	ldx.w #$0	; Reset x.
	jmp print

line_count:
	iny		; Increment the line count.
	cpy #$32
	beq spin	; Have we printed 50 lines?
	jmp start	; Keep looping until we have printed 50 lines.

; Printing sub routine.
print:
	lda string, x	; Get character at offset x.
	beq line_count	; Did we find a null terminator?
	sta $C001	; Print character.
	inx		; Increment offset.
	jmp print	; Keep printing more characters.

; The other threads would clash, if we're running the same code.
; So, have them spin instead, please?
.org $1000
spin:
	nop
	nop
	nop
	jmp spin


.org $FFC0
.qword reset

.org $FF50
.qword spin
.qword spin
.qword spin
.qword spin
.qword spin
.qword spin
.qword spin
done