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Additional Dragon changes from Phill Harvey-Smith
author boisy
date Wed, 17 Nov 2004 01:22:14 +0000
parents 78ce0a5ffc8e
children e6e8a44ab20a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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1 *
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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2 * Deinitions for ports on Dragon 32/64/Alpha.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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3 *
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843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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4 * 2004/11/16. P.Harvey-Smith.
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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5 * Fixed the stupid error I made in the defines below
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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6 * that made all the non DPxxxxx defines equal to FF00 !!!
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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7 *
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78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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8
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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9 IO equ $ff00 ; IO page on Dragon
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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10
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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11 *
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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12 * Most of these symbols will be defined twice, as some
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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13 * of the Dragon code, sets DP=$FF, and uses direct page
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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14 * addressing to access the io ports, whilst some of it
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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15 * uses absolute addressing.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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16 * The versions starting DP must be used with DP=$FF.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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17 *
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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18
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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19 *Pia 0 and 1 standard on all Dragons.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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20
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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21 DPPIA0DA EQU $00 ; Side A Data/DDR
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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22 DPPIA0CRA EQU $01 ; Side A Control.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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23 DPPIA0DB EQU $02 ; Side B Data/DDR
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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24 DPPIA0CRB EQU $03 ; Side B Control.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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25
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843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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26 PIA0DA EQU DPPIA0DA+IO ; Side A Data/DDR
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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27 PIA0CRA EQU DPPIA0CRA+IO ; Side A Control.
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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28 PIA0DB EQU DPPIA0DB+IO ; Side A Data/DDR
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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29 PIA0CRB EQU DPPIA0CRB+IO ; Side A Control.
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30
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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31 DPPIA1DA EQU $20 ; Side A Data/DDR
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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32 DPPIA1CRA EQU $21 ; Side A Control.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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33 DPPIA1DB EQU $22 ; Side B Data/DDR
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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34 DPPIA1CRB EQU $23 ; Side B Control.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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35
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36 PIA1DA EQU DPPIA1DA+IO ; Side A Data/DDR
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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37 PIA1CRA EQU DPPIA1CRA+IO ; Side A Control.
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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38 PIA1DB EQU DPPIA1DB+IO ; Side A Data/DDR
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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39 PIA1CRB EQU DPPIA1CRB+IO ; Side A Control.
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78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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40
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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41 * Dragon Alpha has a third PIA at FF24.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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42
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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43 DPPIA2DA EQU $24 ; Side A Data/DDR
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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44 DPPIA2CRA EQU $25 ; Side A Control.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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45 DPPIA2DB EQU $26 ; Side B Data/DDR
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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46 DPPIA2CRB EQU $27 ; Side B Control.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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47
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48 PIA2DA EQU DPPIA2DA+IO ; Side A Data/DDR
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49 PIA2CRA EQU DPPIA2CRA+IO ; Side A Control.
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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50 PIA2DB EQU DPPIA2DB+IO ; Side A Data/DDR
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51 PIA2CRB EQU DPPIA2CRB+IO ; Side A Control.
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52
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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53 ;WD2797 Floppy disk controler, used in Alpha Note registers in reverse order !
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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54 DPCmdRegA EQU $2F ; command/status
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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55 DPTrkRegA EQU $2E ; Track register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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56 DPSecRegA EQU $2D ; Sector register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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57 DPDataRegA EQU $2C ; Data register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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58
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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59 CmdRegA EQU DPCMDREG+IO ; command/status
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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60 TrkRegA EQU DPTRKREG+IO ; Track register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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61 SecRegA EQU DPSECREG+IO ; Sector register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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62 DataRegA EQU DPDATAREG+IO ; Data register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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63
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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64 ; Constants for Alpha AY-8912 sound chip, which is used to control
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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65 ; Drive select and motor on the Alpha
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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66
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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67 AYIOREG EQU $0E ; AY-8912, IO Register number.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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68 AYIdle EQU $00 ; Make AY Idle.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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69 AYWriteReg EQU $01 ; Write AY Register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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70 AYReadReg EQU $02 ; Read AY Register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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71 AYREGLatch EQU $03 ; Latch register into AY
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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72
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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73 DSMask EQU $03 ; Drive select mask.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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74 MotorMask EQU $04 ; Motor enable mask
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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75 DDENMask EQU $08 ; DDEN Mask
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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76 ENPMask EQU $10 ; Enable Precomp mask
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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77 NMIMask EQU $20 ; NMI enable Mask
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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78
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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79 ; Dragon 64/Alpha Serial port.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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80 DPAciaData EQU $04 ; Acia Rx/Tx Register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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81 DPAciaStat EQU $05 ; Acia status register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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82 DPAciaCmd EQU $06 ; Acia command register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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83 DPAciaCtrl EQU $07 ; Acia control register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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84
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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85 ;DragonDos Cartrage IO for WD2797
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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86
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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87 ;WD2797 Floppy disk controler, used in DragonDos.
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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88 DPCmdRegD EQU $40 ; command/status
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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89 DPTrkRegD EQU $41 ; Track register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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90 DPSecRegD EQU $42 ; Sector register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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91 DPDataRegD EQU $43 ; Data register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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92
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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93 CmdRegD EQU DPCMDREG+IO ; command/status
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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94 TrkRegD EQU DPTRKREG+IO ; Track register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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95 SecRegD EQU DPSECREG+IO ; Sector register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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96 DataRegD EQU DPDATAREG+IO ; Data register
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
boisy
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97
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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98 DPDSKCTL EQU $48 ; Disk DS/motor control reg
78ce0a5ffc8e Incorporated changes and additions made by Phill Harvey-Smith for the
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99 DSKCTL EQU DPDSKCTL+IO
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100
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101 ; Disk IO bitmasks (DragonDos).
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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102
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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103 NMIEnD EQU %00100000
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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104 WPCEnD EQU %00010000
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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105 SDensEnD EQU %00001000
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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106 MotorOnD EQU %00000100
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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107 Drive0D EQU %00000000
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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108 Drive1D EQU %00000001
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109 Drive2D EQU %00000010
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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110 Drive3D EQU %00000011
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111
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112
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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113 ; Disk IO bitmasks (Dragon Alpha).
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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114
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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115 NMIEnA EQU %10000000 ; This is just a guess, but in current code just used as a flag
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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116 WPCEnA EQU %01000000 ; Acording to circuit trace by R.Harding.
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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117 SDensEnA EQU %00000000 ; DDen is pulled low on the alpha, so always enabled.
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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118 MotorOnA EQU %00010000
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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119 Drive0A EQU %00000001
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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120 Drive1A EQU %00000010
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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121 Drive2A EQU %00000100
843c3687eabd Additional Dragon changes from Phill Harvey-Smith
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122 Drive3A EQU %00001000