A2osX/BASIC.FX/BASIC.S.XR.txt

NEW
  AUTO 3,1
*--------------------------------------
* GP.FIAUXTYPE = ORG
* GP.MLIRW.DATAPTR = new ORG
*--------------------------------------
BSX.RelOfs		.BS 2 
BSX.RelStart	.BS 2 
BSX.RelEnd		.BS 2 
BSX.RelStop		.BS 2
*--------------------------------------
BSX.Rel			lda GP.MLIRW.DATAPTR
				sta ZP.A1L
				sec
				sbc GP.FIAUXTYPE
				sta BSX.RelOfs

				lda GP.MLIRW.DATAPTR+1
				sta ZP.A1L+1
				sbc GP.FIAUXTYPE+1
				sta BSX.RelOfs+1
				
				lda GP.FIAUXTYPE
				sta BSX.RelStart
				lda GP.FIAUXTYPE+1
				sta BSX.RelStart+1

				ldy #10
				lda (ZP.A1L),y
				sta BSX.RelEnd
				iny
				lda (ZP.A1L),y
				sta BSX.RelEnd+1

				ldy #8
				lda (ZP.A1L),y
				clc
				adc BSX.RelOfs
				sta BSX.RelStop
				iny
				lda (ZP.A1L),y
				adc BSX.RelOfs+1
				sta BSX.RelStop+1
				
				ldy #4
				lda (ZP.A1L),y
				sta GP.AllowedBITS
				iny
				lda (ZP.A1L),y
				sta GP.AllowedBITS+1
		
				ldy #2
				jsr BSX.RelAtA1Y		relocate CLD JMP CODE.START

				lda #16					skip header
				jsr BSX.RelSkipA

.1				ldy #1
				lda (ZP.A1L),y
				ora (ZP.A1L)
				beq .20
				
				dey						ldy #0
				
				jsr BSX.RelAtA1Y
				lda #2
				jsr BSX.RelSkipA
				bra .1
				
.20				lda #2
				jsr BSX.RelSkipA
				
.2				lda (ZP.A1L)
				lsr
				tax
				lda BSX.65R02,x
				bcs .3
				
				lsr
				lsr
				lsr
				lsr
				
.3				and #$0f
				bit #$08
				beq .7
				
				and #$07
				pha
				
				ldy #1
				jsr BSX.RelAtA1Y

				lda (ZP.A1L)
				cmp #$20				JSR
				bne .6
				
				ldy #1
				lda (ZP.A1L),y
				bne .6

				iny
				lda (ZP.A1L),y
				cmp #$BF				jsr $BF00 ?
				bne .6
				
				pla
				lda #6
				pha
				
.6				pla
				
.7				clc
				adc ZP.A1L
				sta ZP.A1L
				bcc .8
				
				inc ZP.A1L+1
				
.8				cmp BSX.RelStop
				lda ZP.A1L+1
				sbc BSX.RelStop+1
				bcc .2

				clc
				rts
*--------------------------------------
BSX.RelAtA1Y	lda (ZP.A1L),y
				tax
				iny
				
				cpx	BSX.RelStart
				lda (ZP.A1L),y
				sbc BSX.RelStart+1
				
				bcc .9
				
				cpx BSX.RelEnd
				lda (ZP.A1L),y
				sbc BSX.RelEnd+1
				bcs .9

				dey
				lda (ZP.A1L),y
				clc
				adc BSX.RelOfs
				sta (ZP.A1L),y
				iny
				lda (ZP.A1L),y
				adc BSX.RelOfs+1
				sta (ZP.A1L),y

.9				rts
*--------------------------------------
BSX.RelSkipA	clc
				adc ZP.A1L
				sta ZP.A1L
				bcc .8
				
				inc ZP.A1L+1
				
.8				rts				
*--------------------------------------
* 65R02 OPCODES
*--------------------------------------
*					0.1.2.3.4.5.6.7.8.9.A.B.C.D.E.F
BSX.65R02		.HS 1.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.B.B.B.3
				.HS B.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.B.B.B.3
				.HS 1.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.1.B.B.3
				.HS 1.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.1.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.2.1.1.B.B.B.3
				.HS 2.2.2.1.2.2.2.2.1.B.1.1.1.B.B.3
*--------------------------------------

*--------------------------------------
MAN
SAVE usr/src/basic.fx/basic.s.xr
LOAD usr/src/basic.fx/basic.s
ASM