NEW
  AUTO 3,1
*/--------------------------------------
* # StrVGet
* ## ASM
* `>PUSHB hSTRV`
* `>PUSHB index`
* `>PUSHW ptr`
* `>SYSCALL StrVGet`
* ## RETURN VALUE
*  CC: Y,A = Ptr
*  CS: Y,A = NULL
*\--------------------------------------
K.StrVGet		>PULLW FORPNT			ptr
*/--------------------------------------
* # StrVShift
* ## ASM
* `>PUSHB hSTRV`
* `>PUSHB index`
* `>SYSCALL StrVShift`
* ## RETURN VALUE
*\--------------------------------------
K.StrVShift		>PULLA 					index
				eor #$ff
				tay
				
				>PULLA					hSTRV
				jmp K.SYSCALL.JMPX
*/--------------------------------------
* # StrVAdd
* ## ASM
* `>PUSHB hSTRV`
* `>PUSHW str`
* `>SYSCALL StrVAdd`
* ## RETURN VALUE
* CC : str added to hSTRV
* CS : hSTRV full
*\--------------------------------------
K.StrVAdd		>PULLW TXTPTR			str
				>PULLA
				jmp K.SYSCALL.JMPX
*--------------------------------------
STRV.Ptr1Ptr2cpy
				ldx #0
				ldy #0
				
.4				lda (ZPPtr1),y
				sta (ZPPtr2),y
				beq .6

.5				iny
				bne .4
				
				inc ZPPtr1+1
				inc ZPPtr2+1
				bra .4
				
.6				inx

				iny
				bne .7
				
				inc ZPPtr1+1
				inc ZPPtr2+1
				
.7				lda (ZPPtr1),y
				sta (ZPPtr2),y			Ending \0 ?
				bne .5
				rts
*--------------------------------------
MAN
SAVE usr/src/sys/kernel.s.strv
LOAD usr/src/sys/kernel.s
ASM