From 3db3fc270d517ca76518b47950f5240990e84cc5 Mon Sep 17 00:00:00 2001
From: Joshua Wise <joshua@rebirth.joshuawise.com>
Date: Thu, 8 May 2008 02:07:15 -0400
Subject: [PATCH] Diag rom now runs from bootloader!

---
 Makefile  |  2 +-
 System.v  | 10 +++++-----
 binwire.c |  9 +++++----
 diag.asm  |  6 +++---
 4 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/Makefile b/Makefile
index fe10ee8..5e50da8 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ VLOGS_ALL = $(VLOGS) insn_call-callcc.v insn_incdec16.v insn_jr-jrcc.v \
 	insn_ldm8_a.v insn_ldm16_a.v insn_ldbcde_a.v insn_alu_ext.v \
 	insn_bit.v insn_two_byte.v insn_incdec_reg8.v
 
-all: CoreTop.svf CoreTop.twr
+all: CoreTop.svf
 
 sim: CoreTop_isim.exe
 
diff --git a/System.v b/System.v
index 8f9ef08..55dda1c 100644
--- a/System.v
+++ b/System.v
@@ -107,9 +107,9 @@ module CellularRAM(
 	assign cr_nWE = decode ? ~wrlatch : 1;
 	
 	assign cr_DQ = (~cr_nOE) ? 16'bzzzzzzzzzzzzzzzz : {8'b0, datalatch};
-	assign cr_A = (addrlatch[15:14] == 2'b00) ? /* extrom */ {9'b0,addrlatch[13:0]} :
-			(addrlatch[15:13] == 3'b101) ? {1'b1, 9'b0, addrlatch[12:0]} :
-			(addrlatch == ADDR_PROGDATA) ? progaddr :
+	assign cr_A = (address[15:14] == 2'b00) ? /* extrom */ {9'b0,address[13:0]} :
+			(address[15:13] == 3'b101) ? {1'b1, 9'b0, address[12:0]} :
+			(address == ADDR_PROGDATA) ? progaddr :
 			23'b0;
 	
 	reg [7:0] regbuf;
@@ -120,8 +120,8 @@ module CellularRAM(
 		ADDR_PROGADDRM: if (wr) progaddrm <= data;
 		ADDR_PROGADDRL: if (wr) progaddrl <= data;
 		ADDR_PROGDATA:	if (rd || wr) begin
-					progaddr <= {progaddrh[6:0], progaddrm[7:0], progaddr[7:0]};
-					{progaddrh[6:0], progaddrm[7:0], progaddr[7:0]} <= {progaddrh[6:0], progaddrm[7:0], progaddr[7:0]} + 23'b1;
+					progaddr <= {progaddrh[6:0], progaddrm[7:0], progaddrl[7:0]};
+					{progaddrh[6:0], progaddrm[7:0], progaddrl[7:0]} <= {progaddrh[6:0], progaddrm[7:0], progaddrl[7:0]} + 23'b1;
 				end
 		endcase
 		rdlatch <= rd;
diff --git a/binwire.c b/binwire.c
index ed6b98c..a878a5d 100644
--- a/binwire.c
+++ b/binwire.c
@@ -45,7 +45,7 @@ void expect_no_chars()
 {
   int cs = 0;
   
-  while (waitchar(10) == 1)
+  while (waitchar(100) == 1)
   {
     char c;
     if (read(0, &c, 1) == 0)
@@ -77,10 +77,11 @@ void main(int argc, char **argv)
     exit(1);
   }
   
-  dowrite("\x1B" "A\x00\x00\x00...", 8);
+  dowrite("\x1B" "A\x00\x00\x00", 5);
   fprintf(stderr, "Address sent\n");
-  expect("A...", 4);
-  while ((sz = read(rfd, buf+3, 128)) > 0)
+  expect("A", 1);
+  expect_no_chars();
+  while ((sz = read(rfd, buf+3, 255)) > 0)
   {
     buf[0] = 0x1B;
     buf[1] = 'D';
diff --git a/diag.asm b/diag.asm
index 780f5c2..b30faf3 100644
--- a/diag.asm
+++ b/diag.asm
@@ -475,14 +475,14 @@ insntest:
 
 ; Serial port manipulation functions.
 putc:
-	ld c, $50
+	ld c, $53
 	push af
 .waitport:
 	ld a,[c]
-	cp $00
+	and $01
 	jr nz,.waitport
 	pop af
-	ld [c],a
+	ld [$FF52],a
 	ret
 
 puts:
-- 
2.39.2