keep all assembly examples under a/assembly_*.asm

a/assembler_6502.asm

@@ -0,0 +1,22 @@
+; goodbyeworld.s for C= 8-bit machines, ca65 assembler format.
+; String printing limited to strings of 256 characters or less.
+ 
+a_cr	= $0d		; Carriage return.
+bsout	= $ffd2		; KERNAL ROM, output a character to current device.
+ 
+	.code
+ 
+	ldx #0		; Starting index 0 in X register.
+printnext:
+	lda text,x	; Get character from string.
+	beq done	; If we read a 0 we're done.
+	jsr bsout	; Output character. 
+	inx		; Increment index to next character.
+	bne printnext	; Repeat if index doesn't overflow to 0.
+done:
+	rts		; Return from subroutine.
+ 
+	.rodata
+ 
+text:
+	.byte	"Hello world!", a_cr, 0

a/assembler_DCPU16.asm

@@ -0,0 +1,45 @@
+;;;;;;;;;;;;;;;;;;;
+jsr init_devices
+jsr Hello_World
+set PC,end
+;;;;;;;;;;;;;;;;;;;
+:dev_screen   dat 0
+:device_count dat 0
+;;;;;;;;;;;;;;;;;;;
+:find_devices
+hwn [device_count]
+set I,0
+:find_devices_loop
+hwq i
+ife A,0xf615
+    set [dev_screen],1
+add I,1
+ifn I,device_count
+    set PC,find_devices_loop
+set PC,pop
+:init_devices
+jsr find_devices
+;set up display 
+set A,0
+set B,0x8000
+hwi [dev_screen]
+set PC,pop
+
+:Hello_World
+set [0x8000],0x1048
+set [0x8001],0x1065
+set [0x8002],0x106c
+set [0x8003],0x106c
+set [0x8004],0x106f
+set [0x8005],0x102c
+set [0x8006],0
+set [0x8007],0x1077
+set [0x8008],0x106f
+set [0x8009],0x1072
+set [0x800a],0x106c
+set [0x800b],0x1064
+set [0x800c],0x1021
+set PC,pop
+
+:end
+set PC,end

a/assembler_ibm360.asm

@@ -0,0 +1,8 @@
+         LA    1,MSGAREA     Point Register 1 to message area
+         SVC   35            Invoke SVC 35 (Write to Operator) 
+         BR    14            Return
+MSGAREA  EQU   *             Message Area
+         DC    AL2(19)       Total area length = 19 (Prefix length:4 + Data Length:15) 
+         DC    XL2'00'       2 bytes binary of zeros
+         DC    C'Hello world!'  Text to be written to system console
+         END

a/assembler_mmix.asm

@@ -0,0 +1,9 @@
+t	IS	$255
+	LOC	Data_Segment
+	GREG	@
+String	BYTE	"Hello World",#a,0
+
+	LOC	#100
+Main	LDA	t,String
+	TRAP	0,Fputs,StdOut
+	TRAP	0,Halt,0

a/assembler_z80_ti83calculator.asm

@@ -0,0 +1,20 @@
+.NOLIST
+#define   EQU   .equ
+#define   equ   .equ
+#define   END   .end
+#define   end   .end
+#include "ti83plus.inc"
+.LIST
+     .org 9D93h
+      .db $BB,$6D
+      ld a,0
+      ld (CURCOL),a
+      ld (CURROW),a
+      ld hl,text
+      B_CALL(_PutS)
+      B_CALL(_NewLine)
+      ret
+text:
+      .db "Hello, World",0
+.end
+end