X-Git-Url: http://cloudbase.mooo.com/gitweb/avrcpm.git/blobdiff_plain/d8fa6a36ffba80be398c90641b3e7e7a79d56d43..79986122b1d8a4aaf015b8d30f20e99d78779342:/avr/config.inc

diff --git a/avr/config.inc b/avr/config.inc
index 3d63410..5917a06 100644
--- a/avr/config.inc
+++ b/avr/config.inc
@@ -26,8 +26,8 @@
 #define VMINOR 1
 
 #ifndef DRAM_8BIT
-  #define DRAM_8BIT 1		/* 1 = 8bit wide DRAM */
-#endif
+  #define DRAM_8BIT 1		/* 1 = 8bit wide data bus to DRAM (ie two 4-bit Chips)*/
+#endif				/* 0 = only one 4 bit wide DRAM chip */
 #ifndef F_CPU
   #define F_CPU  20000000	/* system clock in Hz; defaults to 20MHz */
 #endif
@@ -35,7 +35,7 @@
   #define BAUD   38400		/* console baud rate */
 #endif
 #ifndef I2C
-    #define I2C  DRAM_8BIT	/* I2C requires 8 bit DRAM */
+    #define I2C  0		/* I2C requires 8 bit DRAM */
 #endif
 #if I2C && !DRAM_8BIT
   #error "I2C requires 8 bit DRAM (DRAM_8BIT=1)!"
@@ -77,6 +77,7 @@
 .equ INS_DEBUG     = 0
 .equ STACK_DBG     = 0
 .equ PRINT_PC      = 0
+.equ TIMER_DEBUG   = 0
 
 #define MMC_SPI2X  1		/* 0 = SPI CLK/4, 1 = SPI CLK/2 */
 
@@ -84,12 +85,6 @@
 #define DBG_TRACE_BOTTOM 0x01	/* Page boundaries for INS_DEBUG and PRINT_PC  */
 #define DBG_TRACE_TOP	 0xdc	/* Trace is off, below bottom page and above top page. */
 
-#if EM_Z80
-  #define CPUSTR "Z80"
-#else
-  #define CPUSTR "8080"
-#endif
-
 ;-----------------------------------------------------------------------
 ; Port declarations
 
@@ -128,6 +123,7 @@
 .equ P_MMC_CS	= PORTB
 .equ P_A8	= PORTB
 .equ P_RXD	= PORTB
+.equ P_TXD	= PORTB
 
 ;Port C
 .equ RAM_RAS	= 0
@@ -299,6 +295,12 @@
 #define PORT7	0x87
 
 
+#if EM_Z80
+  #define CPUSTR "Z80"
+#else
+  #define CPUSTR "8080"
+#endif
+
 #if defined __ATmega8__
 .equ	RXTXDR0	= UDR
 .equ	UCSR0A	= UCSRA