Mercurial > hg > Members > kono > nitros9-code
view defs/l52.defs @ 1652:558cab468052
RG fixed a bug in the Vavasour emulator clock2 module.
clock2 is now of type Sbrtn instead of Systm. clock.asm has been modified
to link to this type.
| author | boisy |
|---|---|
| date | Sat, 17 Jul 2004 12:20:31 +0000 |
| parents | 6641a883d6b0 |
| children |
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* miscellaneous definitions HResMaxX equ 639 high resolution X limit HResMaxY equ 191 high resolution Y limit MousData equ $0008 arbitrary choice for mouse data area ($0008-$000F) PcktSize equ 5 number of bytes in mouse data packet SyncData equ %10000000 initial mouse data byte pattern SyncMask equ %11111000 mask for initial mouse data byte pattern * 65C52 register definitions org 0 ISReg rmb 1 IRQ Status (read only) IEReg equ ISReg IRQ Enable (write only) CSReg rmb 1 Control Status (read only) CFReg equ CSReg Control/Format (write only) CDReg rmb 1 Compare Data (write only, unused in this driver) TBReg equ CDReg Transmit Break (write only) DataReg rmb 1 receive/transmit Data (read Rx / write Tx) * IRQ Status/Enable bit definitions ISE.IRQ equ %10000000 IRQ occurred/enable ISE.TxE equ %01000000 Tx data register Empty ISE.CTS equ %00100000 CTS transition ISE.DCD equ %00010000 DCD transition ISE.DSR equ %00001000 DSR transition ISE.FOB equ %00000100 receive data Framing or Overrun error, or Break ISE.Par equ %00000010 Parity error in Rx data ISE.RxF equ %00000001 Rx data register Full ISE.Errs equ ISE.FOB!ISE.Par IRQ Status error bits ISE.Flip equ $00 all ISR bits active when set ISE.Mask equ ISE.FOB!ISE.Par!ISE.RxF active IRQs * Control Status bit definitions CS.Frame equ %10000000 framing error (set=error) CS.TxE equ %01000000 Tx data empty (set=empty) CS.CTS equ %00100000 CTS input (set=disabled) CS.DCD equ %00010000 DCD input (set=disabled) CS.DSR equ %00001000 DSR input (set=disabled) CS.Break equ %00000100 Rx line break (set=received break) CS.DTR equ %00000010 DTR output (set=disabled) CS.RTS equ %00000001 RTS output (set=disabled) * Control bit definitions C.TBRCDR equ %01000000 Tx Break/Compare Data register access (set=Tx Break) C.StpBit equ %00100000 stop bits (set=two, clear=one) C.Echo equ %00010000 local echo (set=activated) C.Baud equ %00001111 see baud rate table below * baud rate table org 0 BR.00050 rmb 1 50 baud BR.00110 rmb 1 109.2 baud BR.00135 rmb 1 134.58 baud BR.00150 rmb 1 150 baud BR.00300 rmb 1 300 baud BR.00600 rmb 1 600 baud BR.01200 rmb 1 1200 baud BR.01800 rmb 1 1800 baud BR.02400 rmb 1 2400 baud BR.03600 rmb 1 3600 baud BR.04800 rmb 1 4800 baud BR.07200 rmb 1 7200 baud BR.09600 rmb 1 9600 baud BR.19200 rmb 1 19200 baud BR.38400 rmb 1 38400 baud BR.ExClk rmb 1 external Rx and Tx clocks * Format bit definitions F.Slct equ %10000000 register select (set=Format, clear=Control) F.DatBit equ %01100000 see data bit table below F.Par equ %00011100 see parity table below F.DTR equ %00000010 DTR output (set=disabled) F.RTS equ %00000001 RTS output (set=disabled) * data bit table DB.5 equ %00000000 five data bits per character DB.6 equ %00100000 six data bits per character DB.7 equ %01000000 seven data bits per character DB.8 equ %01100000 eight data bits per character * parity table Par.None equ %00000000 Par.Odd equ %00000100 Par.Even equ %00001100 Par.Mark equ %00010100 Par.Spac equ %00011100 * Transmit Break bit definitions TB.Brk equ %00000010 Tx break control (set=transmit continuous line Break) TB.Par equ %00000001 parity check (set=parity bit to ISE.Par, clear=normal) * Btn.Cntr bit definitions BC.Butn1 equ %00100000 button #1 (left, 1 = pressed) BC.Butn2 equ %00010000 button #2 (middle, 1 = pressed) BC.Butn3 equ %00001000 button #3 (right, 1 = pressed) BC.RxCnt equ %00000111 Rx data counter BC.Butns equ BC.Butn1!BC.Butn2!BC.Butn3 mask for all buttons * mouse static data area definitions org 0 Btn.Cntr rmb 1 mouse button status and Rx data counter Buffer rmb 3 Rx buffer for 1st 3 bytes of XY mouse data (must start at 1,u) CrntXPos rmb 2 mouse X position (0 to HResMaxX) CrntYPos rmb 2 mouse Y position (0 to HResMaxY*2)