X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/fecee2418b6aea15008ed6d3a856d202d59a5cdb..c3ce66a888beadf2a6d524101dd009d5acd452ae:/z180/config.inc

diff --git a/z180/config.inc b/z180/config.inc
index ed98656..bea6e05 100644
--- a/z180/config.inc
+++ b/z180/config.inc
@@ -2,6 +2,9 @@
 FALSE	equ	0
 TRUE	equ	NOT FALSE
 
+
+banked	equ	true
+
 ;-----------------------------------------------------
 ; CPU and BANKING types
 
@@ -16,45 +19,67 @@ AVRCLK		equ	18432		;[KHz]
     if CPU_Z180
 
 ;-----------------------------------------------------
-FOSC		equ	AVRCLK/2	;Oscillator frequency [KHz]
-PHI		equ	FOSC*2		;CPU frequency (clock doubler enabled)
+;FOSC		equ	AVRCLK/2	;Oscillator frequency [KHz]
+;PHI		equ	FOSC*2		;CPU frequency (clock doubler enabled)
+
+;----------------------------------------------------------------------
+; Baudrate Generator for x16 clock mode:
+; TC = (f PHI / (32 * baudrate)) - 2
+;
+;     PHI [MHz]: 9.216 18.432
+;     baudrate     TC     TC
+;     ----------------------
+;      115200	    -      3
+;	57600	    3      8
+;	38400       -     13
+;	19200	   13     28
+;	 9600	   28     58
+
 
 ;-----------------------------------------------------
 ; Programmable Reload Timer (PRT)
 
 PRT_PRE		equ	20		;PRT prescaler
 
-; Reload value for 10 ms Int. (0.1KHz):
-; tc10ms = phi/prescale/0.1KHz  = phi / (prescale/10)
-
-PRT_TC10MS	equ	PHI / (PRT_PRE/10)
-
 ;-----------------------------------------------------
 ; MMU
 
 COMMON_SIZE	equ	4*1024		;Common Area size in bytes
 					;must be multiple of 4K
-
-if (COMMON_SIZE mod 1000h) 
+if (COMMON_SIZE mod 1000h)
 	.printx COMMON_SIZE not multiple of 4K!
 	end	;stop assembly
 endif
+CMN_SIZE	equ	COMMON_SIZE/1000h		;4K units
+BNK_SIZE	equ	64/4 - CMN_SIZE			;bank size (4K units)
+BANKS		equ	(512/4 - CMN_SIZE)/BNK_SIZE	;max nr. of banks
+
+; Logical address space, CBAR values
 
-CSK	equ	COMMON_SIZE/1000h	;
-CA	equ	10h - CSK		;common area start
-BA	equ	0			;banked area start
+CA		equ	10h - CMN_SIZE		;common area start (64K - common size)
+BA		equ	0			;banked area start
+
+   if 0
 
 SYS$CBR		equ	0
-SYS$CBAR	equ	CA<<4 + CA	;CBAR in system mode
-USR$CBAR	equ	CA<<4 + BA	;CBAR in user mode (CP/M)
+SYS$CBAR	equ	CA*16 + CA	;CBAR in system mode
+USR$CBAR	equ	CA*16 + BA	;CBAR in user mode (CP/M)
+
+   endif
+   if 1
+
+SYS$CBR		equ	BNK_SIZE
+SYS$CBAR	equ	CA*16 + CA	;CBAR in system mode
+USR$CBAR	equ	CA*16 + BA	;CBAR in user mode (CP/M)
 
+   endif
 
-BANKS		equ	18		;max nr. of banks
 
 ;-----------------------------------------------------
 
 CREFSH		equ	0		;Refresh rate register (disable refresh)
 CWAITIO		equ	3 shl IWI0	;Max I/O Wait States, 0 Memory Wait States
+PHI_X2		equ	0		;set to M_X2CM to enable the clock doubler
 
     endif 		;CPU_Z180
     if	CPU_Z80
@@ -103,27 +128,42 @@ CWAITROM 	equ	2 shl MWI0
     endif
 
 
-DRSTNUM 	equ	30h		;DDTZ Restart vector (breakpoints)
+DDTZRSTVEC 	equ	030h		;DDTZ Restart vector (breakpoints)
 
+INIDONE		equ	03Fh		;CP/M skip hw init, if this address
+INIDONEVAL	equ	080h		;    is set to this value.
 
-mrx.fifo_len	equ	256
-mtx.fifo_len	equ	256
+mtx.fifo_len	equ	64		;Message transfer fifos
+mtx.fifo_id	equ	0		;    This *must* have #0
+mrx.fifo_len	equ	64
+mrx.fifo_id	equ	1
 
-ci.fifo_len	equ	128
-co.fifo_len	equ	256
+ci.fifo_len	equ	32		;AVRCON (USB0) Character I/O via AVR
+ci.fifo_id	equ	2
+co.fifo_len	equ	32
+co.fifo_id	equ	3
 
-s1.rx_len	equ	256		;Serial 1 (ASCI1) buffers
-s1.tx_len	equ	256		;
+s0.rx_len	equ	128		;Serial 0 (ASCI0) buffers
+s0.rx_id	equ	4		;
+s0.tx_len	equ	128		;
+s0.tx_id	equ	5		;
+
+s1.rx_len	equ	128		;Serial 1 (ASCI1) buffers
+s1.rx_id	equ	6		;
+s1.tx_len	equ	128		;
+s1.tx_id	equ	7		;
 
 AVRINT5		equ	4Fh
 AVRINT6		equ	5Fh
 ;PMSG		equ	80h
 
+IDEBASE		equ	60h
+
 ;-----------------------------------------------------
 ; Definition of (logical) top 2 memory pages
 
 sysram_start	equ	0FE00h
-stacksize	equ	80
+bs$stack$size	equ	80
 
 isvsw_loc	equ	0FEE0h
 
@@ -134,24 +174,27 @@ iv2tab		equ	ivtab + 2*9
 
 ;-----------------------------------------------------
 
-
+o.id		equ	-4
 o.mask		equ	-3
 o.in_idx	equ	-2
 o.out_idx	equ	-1
 
 	.lall
 
-mkbuf	macro	name,size
-  if ((size & (size-1)) ne 0) or (size gt 256)
+mkbuf	macro	id,name,size
+  if ((size AND (size-1)) NE 0) OR (size GT 256)
     .printx Error: buffer ^size must be power of 2 and in range 0..256!
     name&.mask equ ;wrong size error
   else
-    ds 3
+    db id
+    db size-1
+    ds 2
     name:: ds size
     name&.mask equ low (size-1)
     if size ne 0
       name&.end equ $-1
       name&.len equ size
+      name&.id equ id
     endif
   endif
 endm
@@ -169,3 +212,9 @@ inidate	macro
 	ds	??ps.len
 	endm
 
+;-----------------------------------------------------
+
+b0call	macro	address
+	call	_b0call
+	dw	address
+	endm