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;-----------------------------------------------------
; CPU and BANKING types
CPU_Z180 equ 1 ; 0 = Z80, else Z180
ROMSYS equ 0
AVRCLK equ 18432 ;[KHz]
if CPU_Z180
;-----------------------------------------------------
FOSC equ AVRCLK/2 ;Oscillator frequency [KHz]
PHI equ FOSC*2 ;CPU frequency (clock doubler enabled)
;-----------------------------------------------------
; 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
SYS$CBAR equ 0C8h
USR$CBAR equ 0F0h
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
PHI equ AVRCLK/5 ;CPU frequency [KHz]
BAUDCLCK equ AVRCLK/10 ;Baudrate clock [KHz]
;BDCLK16 equ
SIOAD EQU 0bch
SIOAC EQU 0bdh
SIOBD EQU 0beh
SIOBC EQU 0bfh
CTC0 EQU 0f4h
CTC1 EQU 0f5h
CTC2 EQU 0f6h
CTC3 EQU 0f7h
;
; Init Serial I/O for console input and output (SIO-A)
;
; Baudrate clock: 1843200 Hz (Bus connector pin A17)
;
; Baudrate Divider SIO CTC
; ---------------------------------
; 115200 16 16 1
; 57600 32 16 2
; 38400 48 16 3
; 19200 96 16 6
; 9600 192 16 12
; 4800 384 16 24
; 2400 768 16 48
; 1200 1536 16 96
; 600 3072 16 192
; 300 6144 64 92
endif ; CPU_Z180
if ROMSYS
c$rom equ 0a5h
ROM_EN equ 0C0h
ROM_DIS equ ROMEN+1
if CPU_Z180
CWAITROM equ 2 shl MWI0
endif
endif
DRSTNUM equ 30h ;DDTZ Restart vector (breakpoints)
mrx.fifo_len equ 256
mtx.fifo_len equ 256
ci.fifo_len equ 128
co.fifo_len equ 256
s1.rx_len equ 256 ;Serial 1 (ASCI1) buffers
s1.tx_len equ 256 ;
AVRINT5 equ 4Fh
AVRINT6 equ 5Fh
;PMSG equ 80h
;-----------------------------------------------------
; Definition of (locical) top 2 memory pages
sysram_start equ 0FE00h
stacksize equ 80
isvsw_loc equ 0FEE0h
ivtab equ 0ffc0h ;int vector table
iv2tab equ ivtab + 2*9
;-----------------------------------------------------
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)
.printx Error: buffer ^size must be power of 2 and in range 0..256!
name&.mask equ ;wrong size error
else
ds 3
name:: ds size
name&.mask equ low (size-1)
if size ne 0
name&.end equ $-1
name&.len equ size
endif
endif
endm
;-----------------------------------------------------
inidat macro
cseg
??ps.a defl $
endm
inidate macro
??ps.len defl $ - ??ps.a
dseg
ds ??ps.len
endm
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