Kernel 0.93+

ProDOS.FX/ProDOS.S.LDR.txt

@@ -264,20 +264,20 @@ isromin3 		sta SETC3ROM
 				lda $C305	   			check card id bytes
 				cmp #$38
 				bne hitswtch	   		not terminal card
+
 				lda $C307
 				cmp #$18
 				bne hitswtch	
+
 				lda $C30B
 				cmp #$01
 				bne hitswtch
+
 				lda $C30C				is it an apple 80 col compatible card?
 				and #$F0
 				cmp #$80
 				bne hitswtch	   		if not.
-				lda machid	  			machine ID byte
-				and #$C8
-				cmp #$C0	   			is it a //+ ?
-				beq docard	   			yes
+
 				lda $C3FA
 				cmp #$2C	   			does card have an interrupt handler?
 				beq docard	   			yes
@@ -476,7 +476,115 @@ LDR.SetupQC		bit RRAMWRAMBNK2		read/write RAM bank 2
 				sta $D000
 				jmp lc1in				switch in LC bank 1
 *--------------------------------------
-LDR.ClkDevScan	rts
+DS1216E.DATA1	.EQ $10
+DS1216E.DATA2	.EQ A1L
+DS1216E.SIG		.HS	5CA33AC55CA33AC5	Reverted 7->0
+*--------------------------------------
+LDR.ClkDevScan	php
+				sei
+				lda $CFFF
+				pha
+				sta $C300
+
+				ldx #7
+
+.1				ldy #8
+
+.2				lda $C304
+				lsr
+				ror DS1216E.DATA1,x
+				dey
+				bne .2
+
+				dex
+				bpl .1
+
+				lda $C304				Reset DS1216E comparison register with READ A2=1
+				ldx #7					Read 8 bytes...
+
+.3				lda DS1216E.PATTERN,x
+				phx
+				ldx #8					....of 8 bits
+
+.4				ldy #0
+				lsr
+				bcc .5
+
+				iny
+
+.5				pha
+				lda $C300,y				Write Pattern bit in A0, with A2=0
+				pla
+				dex
+				bne .4
+
+				plx
+				dex
+				bpl .3
+
+				ldx #7
+
+.6				ldy #8
+
+.7				lda $C304
+				lsr
+				ror DS1216E.DATA2,x
+				dey
+				bne .7
+
+				dex
+				bpl .6
+
+				pla
+				bmi .8
+
+				sta $CFFF
+
+.8				plp
+
+				ldx #7
+
+.9				lda DS1216E.DATA1,x
+				cmp DS1216E.DATA2,x
+				bne LDR.ClkDevTCLK
+
+				dex
+				bpl .9
+
+				ldx PAKME.NCLK
+				ldy PAKME.NCLK+1
+				jmp LDR.SetupCLK
+				
+LDR.ClkDevTCLK	lda CLRC8ROM	   		switch out $C8 ROMs
+				ldy #$05
+				
+				stz idxl
+				lda #$C1
+				sta idxl+1
+				
+.1				ldy #6
+				
+.2  			lda (idxl),y	   		compare id bytes
+				cmp dskid,y
+				bne .3
+				dey
+				dey
+				bpl .2	
+
+				ldx PAKME.TCLK
+				ldy PAKME.TCLK+1
+				jsr LDR.SetupCLK
+				
+				lda idxl+1
+				sta TCLK.Cx1+2
+				sta TCLK.Cx2+2			
+				rts
+
+.3				inc idxl+1
+				lda idxl+1
+				cmp #$C8
+				bne .1
+				rts
 *--------------------------------------
 LDR.SetupCLK	stx ZPInBufPtr
 				sty ZPInBufPtr+1
@@ -491,6 +599,7 @@ LDR.SetupCLK	stx ZPInBufPtr
 
 				lda #MACHID.CLK
 				tsb MACHID
+LDR.SetupCLK.RTS				
 				rts
 *--------------------------------------
 * find all disk devices in system slots and set up address
@@ -962,9 +1071,9 @@ numdev2			.HS 0000000000000000	8 bytes for smartport call
 driveradr		.DA	0
 d2idx  			.DA #0
 diskins2 		.DA #0					msb clear if drive in slot 2
-
+*--------------------------------------
 * 16 bytes moved to $03F0 vectors
-
+*--------------------------------------
 LDR.3F0			.DA breakv
 				.DA oldrst
 				.DA #$5A				powerup byte
@@ -975,9 +1084,9 @@ LDR.3F0			.DA breakv
 lc1in  			lda RRAMWRAMBNK1
 				lda RRAMWRAMBNK1
 				rts
-
+*--------------------------------------
 * patch to gsos vectors so error is returned for os calls - rev note #101
-
+*--------------------------------------
 patch101 		php
 				sei						disable interrupts
 				clc
@@ -1039,7 +1148,7 @@ L2C4D			lda 1,s
 				lda ##$00FF				#NoOS
 				sec
 				rtl
-
+*--------------------------------------
 MAN
 SAVE USR/SRC/PRODOS.FX/PRODOS.S.LDR
 LOAD USR/SRC/PRODOS.FX/PRODOS.S