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comparison defs/m52.defs @ 359:f7384b5a59c8

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Added for cc3io for nitros
author boisy
date Fri, 26 Jul 2002 01:26:29 +0000
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358:598b3979685c 359:f7384b5a59c8
1
2 * miscellaneous definitions
3 HResMaxX equ 639 high resolution X limit
4 HResMaxY equ 191 high resolution Y limit
5 MousData equ $0008 arbitrary choice for mouse data area ($0008-$000E)
6 PcktSize equ 3 number of bytes in mouse data packet
7 SyncData equ %01000000 initial mouse data byte pattern
8
9 * 65C52 register definitions
10 org 0
11 ISReg rmb 1 IRQ Status (read only)
12 IEReg equ ISReg IRQ Enable (write only)
13 CSReg rmb 1 Control Status (read only)
14 CFReg equ CSReg Control/Format (write only)
15 CDReg rmb 1 Compare Data (write only, unused in this driver)
16 TBReg equ CDReg Transmit Break (write only)
17 DataReg rmb 1 receive/transmit Data (read Rx / write Tx)
18
19 * IRQ Status/Enable bit definitions
20 ISE.IRQ equ %10000000 IRQ occurred/enable
21 ISE.TxE equ %01000000 Tx data register Empty
22 ISE.CTS equ %00100000 CTS transition
23 ISE.DCD equ %00010000 DCD transition
24 ISE.DSR equ %00001000 DSR transition
25 ISE.FOB equ %00000100 receive data Framing or Overrun error, or Break
26 ISE.Par equ %00000010 Parity error in Rx data
27 ISE.RxF equ %00000001 Rx data register Full
28
29 ISE.Errs equ ISE.FOB!ISE.Par IRQ Status error bits
30 ISE.Flip equ $00 all ISR bits active when set
31 ISE.Mask equ ISE.FOB!ISE.Par!ISE.RxF active IRQs
32
33 * Control Status bit definitions
34 CS.Frame equ %10000000 framing error (set=error)
35 CS.TxE equ %01000000 Tx data empty (set=empty)
36 CS.CTS equ %00100000 CTS input (set=disabled)
37 CS.DCD equ %00010000 DCD input (set=disabled)
38 CS.DSR equ %00001000 DSR input (set=disabled)
39 CS.Break equ %00000100 Rx line break (set=received break)
40 CS.DTR equ %00000010 DTR output (set=disabled)
41 CS.RTS equ %00000001 RTS output (set=disabled)
42
43 * Control bit definitions
44 C.TBRCDR equ %01000000 Tx Break/Compare Data register access (set=Tx Break)
45 C.StpBit equ %00100000 stop bits (set=two, clear=one)
46 C.Echo equ %00010000 local echo (set=activated)
47 C.Baud equ %00001111 see baud rate table below
48
49 * baud rate table
50 org 0
51 BR.00050 rmb 1 50 baud
52 BR.00110 rmb 1 109.2 baud
53 BR.00135 rmb 1 134.58 baud
54 BR.00150 rmb 1 150 baud
55 BR.00300 rmb 1 300 baud
56 BR.00600 rmb 1 600 baud
57 BR.01200 rmb 1 1200 baud
58 BR.01800 rmb 1 1800 baud
59 BR.02400 rmb 1 2400 baud
60 BR.03600 rmb 1 3600 baud
61 BR.04800 rmb 1 4800 baud
62 BR.07200 rmb 1 7200 baud
63 BR.09600 rmb 1 9600 baud
64 BR.19200 rmb 1 19200 baud
65 BR.38400 rmb 1 38400 baud
66 BR.ExClk rmb 1 external Rx and Tx clocks
67
68 * Format bit definitions
69 F.Slct equ %10000000 register select (set=Format, clear=Control)
70 F.DatBit equ %01100000 see data bit table below
71 F.Par equ %00011100 see parity table below
72 F.DTR equ %00000010 DTR output (set=disabled)
73 F.RTS equ %00000001 RTS output (set=disabled)
74
75 * data bit table
76 DB.5 equ %00000000 five data bits per character
77 DB.6 equ %00100000 six data bits per character
78 DB.7 equ %01000000 seven data bits per character
79 DB.8 equ %01100000 eight data bits per character
80
81 * parity table
82 Par.None equ %00000000
83 Par.Odd equ %00000100
84 Par.Even equ %00001100
85 Par.Mark equ %00010100
86 Par.Spac equ %00011100
87
88 * Transmit Break bit definitions
89 TB.Brk equ %00000010 Tx break control (set=transmit continuous line Break)
90 TB.Par equ %00000001 parity check (set=parity bit to ISE.Par, clear=normal)
91
92 * Buffer (0,u only) bit definitions
93 B.Butn1 equ %00100000 button #1 (left, 1 = pressed)
94 B.Butn2 equ %00010000 button #2 (right, 1 = pressed)
95
96 B.Butns equ B.Butn1!B.Butn2 mask for all buttons
97
98
99 * mouse static data area definitions
100 org 0
101 Buffer rmb 2 Rx buffer for mouse data (must start at 0,u)
102 Counter rmb 1 Rx data counter
103 CrntXPos rmb 2 mouse X position (0 to HResMaxX)
104 CrntYPos rmb 2 mouse Y position (0 to HResMaxY*2)
105