* I2C Support added

[avrcpm.git] / cpm / CFGACPM.LIB

diff --git a/cpm/CFGACPM.LIB b/cpm/CFGACPM.LIB
index 6f30879d7745f1aacd924f31d43eada512634f56..7c2f7d01a1db181053511ab1c20bf50125eca16d 100644 (file)
--- a/cpm/CFGACPM.LIB
+++ b/cpm/CFGACPM.LIB
@@ -29,11 +29,80 @@ iobyte      equ     0003h           ;intel iobyte
 buff   equ     0080h           ;default buffer address\r
 retry  equ     3               ;max retries on disk i/o before error\r
 \r
+\r
+;copy from avr/virt_ports.asm:\r
+;   Port        Direction  Function\r
+;hex   dez\r
+;-------------------------------------------------------------------------\r
+;00    0       in      - Con status. \r
+;                        Returns 0xFF if the UART has a byte, 0 otherwise.\r
+;01    1       in/out  - Console input, aka UDR. / Console Output\r
+;02    2       out     - Console Output (deprecated)\r
+;03    3       in      - "UART" status: bit 0 = rx, bit 1 = tx\r
+;04    4       in      - "UART" data register, no wait\r
+;\r
+;------------------------ Virtual I2C interface --------------------------\r
+;05    5       out     - Control Port: 1 = Start read operation\r
+;                                      2 = Start write operation \r
+;05    5       in      - Status of last Transfer: 0 = ok, else fail\r
+;06    6       in/out  - Number of bytes to transfer, including Slave address\r
+;07,08 7,8     in/out  - Read/Write address low/high\r
+;\r
+;------------------------ Disk I/O ---------------------------------------\r
+;0D,0E 13,14   in/out  - Set address of Bios Controll Block\r
+;0F    15      in/out  - Disk select\r
+;10,11  16,17  in/out  - Track select\r
+;12,13         18,19   in/out  - Sector select\r
+;14,15         20,21   in/out  - Write addr\r
+;              \r
+;16    22      out     - Trigger disk i/o operations\r
+;                        Bit 7 = 1: Read sector\r
+;                        Bit 6 = 1: Write sector\r
+;                        Bit 5 = 1: BIOS WBOOT\r
+;                        Bit 4 = 1: BIOS Home\r
+;                        Only one of bits 4..7  may be set.\r
+;                        If Write function (bit 6=1):\r
+;                         Bits 0..2: 0 - write to allocated\r
+;                                    1 - write to directory\r
+;                                    2 - write unallocated\r
+;                                    3 - write to directory                     \r
+;\r
+;16    22      in      - Result of last read/write operation.\r
+;                        0x00 = ok, 0xff = error (--> Bad Sector)\r
+;\r
+;\r
+;\r
+;------------------------ Wall Clock and Timers --------------------------\r
+;40    64-71   in/out  - Timer/Clock control.  \r
+;41-46\r
+;\r
+;47-4D         clock   - BCD format: ss, mm, hh,  DD, MM, YYl, YYh\r
+;\r
+;------------------------ Ports ------------------------------------------\r
+;80-87         in/out  - Port-Expander PCF8574 (max. 8 Chips)\r
+;88-8F         in/out  - Port-Expander PCF8574A (not implemented yet!)\r
+\r
+\r
 READ_FUNC   equ        7\r
 WRITE_FUNC  equ        6\r
 BOOT_FUNC   equ 5\r
 HOME_FUNC   equ 4\r
 \r
-cr equ 13\r
-lf equ 10\r
+TIMERCTL       equ     040h\r
+TIMER_MSECS    equ     TIMERCTL+1\r
+TIMER_SECS     equ     TIMER_MSECS+2\r
+starttimercmd  equ     1\r
+quitTimerCmd   equ     2\r
+printTimerCmd  equ     15\r
+uptimeCmd      equ     16\r
+\r
+CLOCKPORT      equ     TIMERCTL+7\r
+\r
+DEBUGPORT      equ     04FH\r
+StartTraceCmd  equ     1\r
+StopTraceCmd   equ     0\r
+\r
+\r
+\r
+\r
 \r