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| author | Leo C | 2015-04-30 20:34:28 +0200 |
|---|---|---|
| committer | Leo C | 2015-04-30 20:34:28 +0200 |
| commit | fecee2418b6aea15008ed6d3a856d202d59a5cdb (patch) | |
| tree | f125e7782d2af4023a011f1611b66004ea557ab9 /z180/config.inc | |
| parent | 8df5b65577a04a48849387475634b3b694094dca (diff) | |
| download | z180-stamp-fecee2418b6aea15008ed6d3a856d202d59a5cdb.zip | |
Remove memory test and bank manager.
First phys. 64K block contains common and system (debugger).
Banks for user progs (CP/M) can be assigned from 0x10000.
Diffstat (limited to 'z180/config.inc')
| -rw-r--r-- | z180/config.inc | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/z180/config.inc b/z180/config.inc index 390d3bc..ed98656 100644 --- a/z180/config.inc +++ b/z180/config.inc @@ -1,13 +1,19 @@ +
+FALSE equ 0
+TRUE equ NOT FALSE
+
;-----------------------------------------------------
; CPU and BANKING types
-CPU_Z180 equ 1 ; 0 = Z80, else Z180
-ROMSYS equ 0
+CPU_Z180 equ TRUE
+CPU_Z80 equ FALSE
+
+ROMSYS equ FALSE
AVRCLK equ 18432 ;[KHz]
- if CPU_Z180
+ if CPU_Z180
;-----------------------------------------------------
FOSC equ AVRCLK/2 ;Oscillator frequency [KHz]
@@ -26,8 +32,21 @@ PRT_TC10MS equ PHI / (PRT_PRE/10) ;-----------------------------------------------------
; MMU
-SYS$CBAR equ 0C8h
-USR$CBAR equ 0F0h
+COMMON_SIZE equ 4*1024 ;Common Area size in bytes
+ ;must be multiple of 4K
+
+if (COMMON_SIZE mod 1000h)
+ .printx COMMON_SIZE not multiple of 4K!
+ end ;stop assembly
+endif
+
+CSK equ COMMON_SIZE/1000h ;
+CA equ 10h - CSK ;common area start
+BA equ 0 ;banked area start
+
+SYS$CBR equ 0
+SYS$CBAR equ CA<<4 + CA ;CBAR in system mode
+USR$CBAR equ CA<<4 + BA ;CBAR in user mode (CP/M)
BANKS equ 18 ;max nr. of banks
@@ -37,7 +56,8 @@ BANKS equ 18 ;max nr. of banks CREFSH equ 0 ;Refresh rate register (disable refresh)
CWAITIO equ 3 shl IWI0 ;Max I/O Wait States, 0 Memory Wait States
- else ; Z80
+ endif ;CPU_Z180
+ if CPU_Z80
PHI equ AVRCLK/5 ;CPU frequency [KHz]
BAUDCLCK equ AVRCLK/10 ;Baudrate clock [KHz]
@@ -71,16 +91,16 @@ CTC3 EQU 0f7h ; 600 3072 16 192
; 300 6144 64 92
- endif ; CPU_Z180
+ endif ; CPU_Z80
- if ROMSYS
+ if ROMSYS
c$rom equ 0a5h
ROM_EN equ 0C0h
ROM_DIS equ ROMEN+1
- if CPU_Z180
+ if CPU_Z180
CWAITROM equ 2 shl MWI0
- endif
- endif
+ endif
+ endif
DRSTNUM equ 30h ;DDTZ Restart vector (breakpoints)
@@ -100,7 +120,7 @@ AVRINT6 equ 5Fh ;PMSG equ 80h
;-----------------------------------------------------
-; Definition of (locical) top 2 memory pages
+; Definition of (logical) top 2 memory pages
sysram_start equ 0FE00h
stacksize equ 80
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