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annotate defs/atari.d @ 2639:283433fa565c

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Added notes to atari.d
author Boisy Pitre <boisy.pitre@nuance.com>
date Tue, 28 Feb 2012 09:26:09 -0600
parents a34c08cdfcb2
children 928b4a062979
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2639
283433fa565c Added notes to atari.d
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1 ifne ATARI.D-1
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2 ATARI.D set 1
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3
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4 ********************************************************************
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5 * AtariDefs - NitrOS-9 System Definitions for the Atari XE/XL
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6 *
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7 * This is a high level view of the Atari XE/XL memory map as setup by
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8 * NitrOS-9.
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9 *
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10 * $0000----> ==================================
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11 * | |
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12 * | NitrOS-9 Globals/Stack |
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13 * | |
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14 * $0500---->|==================================|
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15 * | |
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16 * | Atari |
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17 * $0500-$08BF | Screen Memory |
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18 * | (40x24) |
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19 * | |
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20 * |----------------------------------|
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21 * $08C0-$08FF | ANTIC Display List |
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22 * $9000---->|----------------------------------|
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23 * | |
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24 * . . . . . . . . . . . . . . . . .
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25 * | |
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26 * | RAM available for allocation |
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27 * | by NitrOS-9 and Apps |
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28 * | |
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29 * . . . . . . . . . . . . . . . . .
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30 * | |
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31 * $C000---->|==================================|
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32 * | |
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33 * $C000-$CFFF | ROM |
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34 * | |
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35 * $D000---->|==================================|
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36 * | |
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37 * | XEGS Memory Mapped I/O Region |
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38 * |(may differ in location on others)|
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39 * | |
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40 * $D800---->|==================================|
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41 * | |
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42 * $D800-$FFFF | ROM |
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43 * | |
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44 * |==================================|
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45 *
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46 * Note that ROM above becomes RAM if booting from DriveWire.
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47 *
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48 * Atari Hardware is documented here:
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49 * http://user.xmission.com/~trevin/atari/pokey_regs.html
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50 *
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51 * $Id$
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52 *
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53 * Edt/Rev YYYY/MM/DD Modified by
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54 * Comment
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55 * ------------------------------------------------------------------
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56 * 2012/02/23 Boisy G. Pitre
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57 * Started
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58
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59 nam AtariDefs
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60 ttl NitrOS-9 System Definitions for the Atari XE/XL
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61
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62
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63
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64 **********************************
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65 * Power Line Frequency Definitions
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66 *
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67 Hz50 equ 1 Assemble clock for 50 hz power
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68 Hz60 equ 2 Assemble clock for 60 hz power
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69 PwrLnFrq set Hz60 Set to Appropriate freq
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70
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71
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72 **********************************
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73 * Ticks per second
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74 *
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75 ifeq PwrLnFrq-Hz50
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76 TkPerSec set 50
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77 else
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78 TkPerSec set 60
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79 endc
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80
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81
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82 *************************************************
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83 *
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84 * NitrOS-9 Level 1 Section
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85 *
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86 *************************************************
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87
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88 HW.Page set $FF Device descriptor hardware page
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89
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90
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91 ********************************************************************
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92 * NitrOS-9 Memory Definitions for the Atari XE/XL
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93 *
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94 * The Atari's support chips have certain alignment restrictions for
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95 * things like screen memory, display lists and character maps. For this
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96 * reason, we reserve some low memory for the screen.
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97 *
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98 * Screen memory range is $0500-$08FF (1K). Of that, 40*24 (960) bytes
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99 * are for the screen buffer and the remaining 64 bytes are for the
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100 * ANTIC's Display List
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101 G.Cols equ 40
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102 G.Rows equ 24
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103 G.ScrStart equ $0500
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104 G.DList equ G.ScrStart+(G.Cols*G.Rows)
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105 G.DListSize equ 64
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106
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107 * The Character Set must be aligned to a 4K address. We can really only
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108 * guarnatee that in the Krn module, which is always at the end of RAM. So
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109 * for now, the character set is located at $F800
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110 G.CharSetAddr equ $F800
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111
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112 * POKEY requires shadow registers. We allocate them in the kernel's DP
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113 * (Yes, we are stealing an existing variable that is so old it should be
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114 * removed from os9defs)
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115 D.IRQENShdw equ D.WDBtDr
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116
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117
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118 ********************************************************************
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119 * Atari XE/XL Hardware Definitions
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120 *
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121 * These were lifted from the Atari OS disassembly, and represents all
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122 * of the hardware registers available on the Atari XE/XL
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123 *
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124
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125
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126 *************************************************
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127 ** CTIA/GTIA Address Equates
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128 CTIA equ $D000 ;CTIA/GTIA area
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129
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130 * Read/Write Addresses
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131 CONSOL equ CTIA+$1F ;console switches and speaker control
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132
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133 * Read Addresses
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134 M0PF equ CTIA+$00 ;missle 0 and playfield collision
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135 M1PF equ CTIA+$01 ;missle 1 and playfield collision
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diff changeset
136 M2PF equ CTIA+$02 ;missle 2 and playfield collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
137 M3PF equ CTIA+$03 ;missle 3 and playfield collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
138
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
139 P0PF equ CTIA+$04 ;player 0 and playfield collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
140 P1PF equ CTIA+$05 ;player 1 and playfield collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
141 P2PF equ CTIA+$06 ;player 2 and playfield collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
142 P3PF equ CTIA+$07 ;player 3 and playfield collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
143
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
144 M0PL equ CTIA+$08 ;missle 0 and player collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
145 M1PL equ CTIA+$09 ;missle 1 and player collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
146 M2PL equ CTIA+$0A ;missle 2 and player collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
147 M3PL equ CTIA+$0B ;missle 3 and player collision
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
148
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
149 P0PL equ CTIA+$0C ;player 0 and player collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
150 P1PL equ CTIA+$0D ;player 1 and player collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
151 P2PL equ CTIA+$0E ;player 2 and player collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
152 P3PL equ CTIA+$0F ;player 3 and player collision
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
153
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
154 TRIG0 equ CTIA+$10 ;joystick trigger 0
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
155 TRIG1 equ CTIA+$11 ;joystick trigger 1
2634
a34c08cdfcb2 Stable dwread/dwrite... pipeman also assembles.
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2625
diff changeset
156
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
157 TRIG2 equ CTIA+$12 ;cartridge interlock
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
158 TRIG3 equ CTIA+$13 ;ACMI module interlock
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
159
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
160 PAL equ CTIA+$14 ;PAL/NTSC indicator
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
161
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
162 * Write Addresses
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
163 HPOSP0 equ CTIA+$00 ;player 0 horizontal position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
164 HPOSP1 equ CTIA+$01 ;player 1 horizontal position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
165 HPOSP2 equ CTIA+$02 ;player 2 horizontal position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
166 HPOSP3 equ CTIA+$03 ;player 3 horizontal position
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
167
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
168 HPOSM0 equ CTIA+$04 ;missle 0 horizontal position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
169 HPOSM1 equ CTIA+$05 ;missle 1 horizontal position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
170 HPOSM2 equ CTIA+$06 ;missle 2 horizontal position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
171 HPOSM3 equ CTIA+$07 ;missle 3 horizontal position
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
172
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
173 SIZEP0 equ CTIA+$08 ;player 0 size
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
174 SIZEP1 equ CTIA+$09 ;player 1 size
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
175 SIZEP2 equ CTIA+$0A ;player 2 size
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
176 SIZEP3 equ CTIA+$0B ;player 3 size
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
177
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
178 SIZEM equ CTIA+$0C ;missle sizes
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
179
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
180 GRAFP0 equ CTIA+$0D ;player 0 graphics
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
181 GRAFP1 equ CTIA+$0E ;player 1 graphics
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
182 GRAFP2 equ CTIA+$0F ;player 2 graphics
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
183 GRAFP3 equ CTIA+$10 ;player 3 graphics
2634
a34c08cdfcb2 Stable dwread/dwrite... pipeman also assembles.
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2625
diff changeset
184
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
185 GRAFM equ CTIA+$11 ;missle graphics
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
186
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
187 COLPM0 equ CTIA+$12 ;player-missle 0 color/luminance
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
188 COLPM1 equ CTIA+$13 ;player-missle 1 color/luminance
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
189 COLPM2 equ CTIA+$14 ;player-missle 2 color/luminance
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
190 COLPM3 equ CTIA+$15 ;player-missle 3 color/luminance
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
191
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
192 COLPF0 equ CTIA+$16 ;playfield 0 color/luminance
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
193 COLPF1 equ CTIA+$17 ;playfield 1 color/luminance
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
194 COLPF2 equ CTIA+$18 ;playfield 2 color/luminance
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
195 COLPF3 equ CTIA+$19 ;playfield 3 color/luminance
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
196
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
197 COLBK equ CTIA+$1A ;background color/luminance
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
198
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
199 PRIOR equ CTIA+$1B ;priority select
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
200 VDELAY equ CTIA+$1C ;vertical delay
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
201 GRACTL equ CTIA+$1D ;graphic control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
202 HITCLR equ CTIA+$1E ;collision clear
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
203
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
204
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
205 *************************************************
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
206 ** POKEY Address Equates
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
207 POKEY equ $D200 ;POKEY area
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
208
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
209 *Read Addresses
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
210 POT0 equ POKEY+$00 ;potentiometer 0
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
211 POT1 equ POKEY+$01 ;potentiometer 1
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
212 POT2 equ POKEY+$02 ;potentiometer 2
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
213 POT3 equ POKEY+$03 ;potentiometer 3
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
214 POT4 equ POKEY+$04 ;potentiometer 4
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
215 POT5 equ POKEY+$05 ;potentiometer 5
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
216 POT6 equ POKEY+$06 ;potentiometer 6
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
217 POT7 equ POKEY+$07 ;potentiometer 7
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
218
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
219 ALLPOT equ POKEY+$08 ;potentiometer port state
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
220 KBCODE equ POKEY+$09 ;keyboard code
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
221 RANDOM equ POKEY+$0A ;random number generator
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
222 SERIN equ POKEY+$0D ;serial port input
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
223 IRQST equ POKEY+$0E ;IRQ interrupt status
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
224 IRQST.BREAKDOWN equ %10000000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
225 IRQST.KEYDOWN equ %01000000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
226 IRQST.SERINRDY equ %00100000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
227 IRQST.SEROUTNEEDED equ %00010000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
228 IRQST.SEROUTDONE equ %00001000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
229 IRQST.TIMER4 equ %00000100
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
230 IRQST.TIMER2 equ %00000010
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
231 IRQST.TIMER1 equ %00000001
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
232
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
233 SKSTAT equ POKEY+$0F ;serial port and keyboard status
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
234
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
235 * Write Addresses
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
236 AUDF1 equ POKEY+$00 ;channel 1 audio frequency
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
237 AUDC1 equ POKEY+$01 ;channel 1 audio control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
238
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
239 AUDF2 equ POKEY+$02 ;channel 2 audio frequency
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
240 AUDC2 equ POKEY+$03 ;channel 2 audio control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
241
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
242 AUDF3 equ POKEY+$04 ;channel 3 audio frequency
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
243 AUDC3 equ POKEY+$05 ;channel 3 audio control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
244
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
245 AUDF4 equ POKEY+$06 ;channel 4 audio frequency
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
246 AUDC4 equ POKEY+$07 ;channel 4 audio control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
247
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
248 AUDCTL equ POKEY+$08 ;audio control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
249 STIMER equ POKEY+$09 ;start timers
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
250 SKRES equ POKEY+$0A ;reset SKSTAT status
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
251 POTGO equ POKEY+$0B ;start potentiometer scan sequence
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
252 SEROUT equ POKEY+$0D ;serial port output
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
253 IRQEN equ POKEY+$0E ;IRQ interrupt enable
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
254 IRQEN.BREAKDOWN equ %10000000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
255 IRQEN.KEYDOWN equ %01000000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
256 IRQEN.SERINRDY equ %00100000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
257 IRQEN.SEROUTNEEDED equ %00010000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
258 IRQEN.SEROUTDONE equ %00001000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
259 IRQEN.TIMER4 equ %00000100
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
260 IRQEN.TIMER2 equ %00000010
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
261 IRQEN.TIMER1 equ %00000001
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
262
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
263 SKCTL equ POKEY+$0F ;serial port and keyboard control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
264 SKCTL.FORECEBREAK equ %10000000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
265 SKCTL.SERMODECTRLMASK equ %01110000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
266 SKCTL.TWOTONEMODE equ %00001000
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
267 SKCTL.FASTPOTSCAN equ %00000100
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
268 SKCTL.KEYBRDSCAN equ %00000010
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
269 SKCTL.KEYDEBOUNCE equ %00000001
2621
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
270
f27161fc2926 Added atari.d... new defs file for all things Atari
Boisy Pitre <boisy.pitre@nuance.com>
parents:
diff changeset
271
2639
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
272 *************************************************
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
273 ** PIA Address Equates
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
274 PIA equ $D300 ;PIA area
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
275
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
276 * Read/Write Addresses
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
277 PORTA equ PIA+$00 ;port A direction register or jacks 0 and 1
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
278 PORTB equ PIA+$01 ;port B direction register or memory control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
279
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
280 PACTL equ PIA+$02 ;port A control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
281 PBCTL equ PIA+$03 ;port B control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
282
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
283 * PIA bit assignments for XEGS:
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
284 * bit 7 0 = Self-Test switched in, but only if OS Rom is also switched in
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
285 * bit 6 0 = Missile Command @ $A000 but ony if Basic Rom is switched out
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
286 *
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
287 * bit 1 0 = Basic switched in
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
288 * bit 0 1 = OS Rom switched in, opposite behaviour for this bit vs all the others relating to Rom.
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
289
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
290
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
291 *************************************************
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
292 ** ANTIC Address Equates
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
293 ANTIC equ $D400 ;ANTIC area
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
294
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
295 * Read Addresses
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
296 VCOUNT equ ANTIC+$0B ;vertical line counter
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
297 PENH equ ANTIC+$0C ;light pen horizontal position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
298 PENV equ ANTIC+$0D ;light pen vertical position
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
299 NMIST equ ANTIC+$0F ;NMI interrupt status
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
300
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
301 * Write Addresses
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
302 DMACTL equ ANTIC+$00 ;DMA control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
303 CHACTL equ ANTIC+$01 ;character control
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
304 DLISTL equ ANTIC+$02 ;low display list address
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
305 DLISTH equ ANTIC+$03 ;high disply list address
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
306 HSCROL equ ANTIC+$04 ;horizontal scroll
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
307 VSCROL equ ANTIC+$05 ;vertical scroll
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
308 PMBASE equ ANTIC+$07 ;player-missle base address
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
309 CHBASE equ ANTIC+$09 ;character base address
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
310 WSYNC equ ANTIC+$0A ;wait for HBLANK synchronization
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
311 NMIEN equ ANTIC+$0E ;NMI enable
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
312 NMIRES equ ANTIC+$0F ;NMI interrupt status reset
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
313
283433fa565c Added notes to atari.d
Boisy Pitre <boisy.pitre@nuance.com>
parents: 2634
diff changeset
314 endc