projects / avrcpm.git / blame
| Commit | Line | Data |
|---|---|---|
| f0d2aa0e L |
1 | ; Commonly used macros |
| 2 | ; | |
| 3 | ; Copyright (C) 2010 Leo C. | |
| 4 | ; | |
| 5 | ; This file is part of avrcpm. | |
| 6 | ; | |
| 7 | ; avrcpm is free software: you can redistribute it and/or modify it | |
| 8 | ; under the terms of the GNU General Public License as published by | |
| 9 | ; the Free Software Foundation, either version 3 of the License, or | |
| 10 | ; (at your option) any later version. | |
| 11 | ; | |
| 12 | ; avrcpm is distributed in the hope that it will be useful, | |
| 13 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ; GNU General Public License for more details. | |
| 16 | ; | |
| 17 | ; You should have received a copy of the GNU General Public License | |
| 18 | ; along with avrcpm. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | ; | |
| 20 | ; $Id$ | |
| 21 | ; | |
| 22 | ||
| 23 | ;------------------------------------------------ | |
| 24 | ; | |
| 25 | .macro outm8 | |
| 26 | .if @0 > 0x3f | |
| 27 | sts @0,@1 | |
| 28 | .else | |
| 29 | out @0,@1 | |
| 30 | .endif | |
| 31 | .endm | |
| 32 | ||
| 33 | ;------------------------------------------------ | |
| 34 | ; | |
| 35 | .macro inm8 | |
| 36 | .if @1 > 0x3f | |
| 37 | lds @0,@1 | |
| 38 | .else | |
| 39 | in @0,@1 | |
| 40 | .endif | |
| 41 | .endm | |
| 42 | ||
| 43 | ;------------------------------------------------ | |
| 44 | ; | |
| 45 | .macro sbism8 | |
| 46 | .if @0 > 0x1f | |
| 47 | in _tmp0,@0 | |
| 48 | sbrs _tmp0,@1 | |
| 49 | .else | |
| 50 | sbis @0,@1 | |
| 51 | .endif | |
| 52 | .endm | |
| 53 | ||
| 54 | ;------------------------------------------------ | |
| 55 | ; load 16 bit constant to register pair | |
| 56 | ||
| 57 | .macro ldiw | |
| 58 | ldi @0l, low(@1) | |
| 59 | ldi @0h, high(@1) | |
| 60 | .endm | |
| 61 | ||
| 62 | ;------------------------------------------------ | |
| 63 | ; add 16 bit constant to register pair | |
| 64 | ||
| 65 | .macro addiw | |
| 66 | subi @0l, low(-@1) | |
| 67 | sbci @0h, high(-@1) | |
| 68 | .endm | |
| 69 | ||
| 28cf89bf L |
70 | ;------------------------------------------------ |
| 71 | ; sub 16 bit constant from register pair | |
| 72 | ||
| 73 | .macro subiw | |
| 74 | subi @0l, low(@1) | |
| 75 | sbci @0h, high(@1) | |
| 76 | .endm | |
| 77 | ||
| f0d2aa0e L |
78 | ;------------------------------------------------ |
| 79 | ; Move single bit between two registers | |
| 80 | ; | |
| 81 | ; bmov dstreg,dstbit,srcreg.srcbit | |
| 82 | ||
| 83 | .macro bmov | |
| 84 | bst @2,@3 | |
| 85 | bld @0,@1 | |
| 86 | .endm | |
| 87 | ||
| 28cf89bf L |
88 | ;------------------------------------------------ |
| 89 | ; | |
| 90 | ; | |
| 91 | ; | |
| 92 | .macro INTERRUPT | |
| 93 | .set pos_ = PC | |
| 94 | .org @0 ; vector address | |
| 95 | .if abs(pos_ - PC) > 2048 | |
| 96 | jmp pos_ | |
| 97 | .else | |
| 98 | rjmp pos_ ; jump to handler | |
| 99 | .endif | |
| 100 | .org pos_ ; restore PC | |
| 101 | .endm | |
| 102 | ||
| 4f466098 L |
103 | ;------------------------------------------------ |
| 104 | ; | |
| 105 | ; | |
| 106 | .macro ljmp | |
| 107 | .if FLASHEND > 0x0fff | |
| 108 | jmp @0 | |
| 109 | .else | |
| 110 | rjmp @0 | |
| 111 | .endif | |
| 112 | .endm | |
| 113 | ||
| 114 | ;------------------------------------------------ | |
| 115 | ; | |
| 116 | ; | |
| 117 | .macro lcall | |
| 118 | .if FLASHEND > 0x0fff | |
| 119 | ; call @0 | |
| 120 | ||
| 121 | .ifdef @0 | |
| 122 | .if abs(PC - @0) > 2048 | |
| 123 | call @0 | |
| 124 | .else | |
| 125 | rcall @0 | |
| 126 | .endif | |
| 127 | .else | |
| 128 | call @0 | |
| 129 | .endif | |
| 130 | .else | |
| 131 | rcall @0 | |
| 132 | .endif | |
| 133 | .endm | |
| 134 | ||
| f0d2aa0e L |
135 | ;------------------------------------------------ |
| 136 | ; Print string. | |
| 137 | ; printstring "String" | |
| 138 | ||
| 139 | .macro printstring | |
| eed2f144 L |
140 | .if FLASHEND > 0x0fff |
| 141 | call printstr | |
| 142 | .else | |
| 143 | rcall printstr | |
| 144 | .endif | |
| f0d2aa0e L |
145 | .if strlen(@0) % 2 |
| 146 | .db @0,0 | |
| 147 | .else | |
| 148 | .db @0,0,0 | |
| 149 | .endif | |
| 150 | .endm | |
| 151 | ||
| 152 | ;------------------------------------------------ | |
| 153 | ; Print newline | |
| 154 | ; print cr, lf | |
| 155 | ||
| 156 | .macro printnewline | |
| 4f466098 | 157 | lcall printstr |
| f0d2aa0e L |
158 | .db 13,0 |
| 159 | .endm | |
| 160 | ||
| 161 | ||
| 162 | ;------------------------------------------------ | |
| 163 | ; Print a Z80 flag | |
| 164 | ; print_zflag F | |
| 165 | ; where F is the flag to print | |
| 166 | ||
| 167 | .macro print_zflag | |
| 168 | ||
| 169 | .set S_ = 'S' | |
| 170 | .set Z_ = 'Z' | |
| 171 | .set H_ = 'H' | |
| 172 | .set P_ = 'P' | |
| 173 | .set N_ = 'N' | |
| 174 | .set C_ = 'C' | |
| 175 | ||
| 176 | ldi temp, ' ' | |
| 177 | sbrc z_flags,ZFL_@0 | |
| 178 | ldi temp, @0_ | |
| 179 | rcall uartputc | |
| 180 | .endm | |
| 181 | ||
| 182 | ;------------------------------------------------ | |
| 183 | ; db_version VMAJOR, VMINOR | |
| 184 | ||
| 185 | .macro db_version | |
| 186 | ||
| 187 | .set maj1_ = @0 / 10 | |
| 188 | .set maj0_ = @0 % 10 | |
| 189 | .set min1_ = @1 / 10 | |
| 190 | .set min0_ = @1 % 10 | |
| 191 | ||
| 192 | .if maj1_ | |
| 193 | .if min1_ | |
| 194 | .db maj1_+'0',maj0_+'0','.',min1_+'0',min0_+'0',0 | |
| 195 | .else | |
| 196 | .db maj1_+'0',maj0_+'0','.', min0_+'0',0,0 | |
| 197 | .endif | |
| 198 | .else | |
| 199 | .if min1_ | |
| 200 | .db maj0_+'0','.',min1_+'0',min0_+'0',0,0 | |
| 201 | .else | |
| 202 | .db maj0_+'0','.', min0_+'0',0 | |
| 203 | .endif | |
| 204 | .endif | |
| 205 | .endm | |
| 206 | ||
| 207 | ; vim:set ts=8 noet nowrap | |
| 208 |