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Accumulator inspired by Nibbler from Schlappi Engineering
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| // Copyright (c) 2024, Jakob Zerbian | ||
| // | ||
| // Inspired by Nibbler from Schlappi Engineering | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in all | ||
| // copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| // SOFTWARE. | ||
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| #define ACC_MIN_B 0 | ||
| #define ACC_MAX_B 15 | ||
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| class Cumulus : public HemisphereApplet { | ||
| public: | ||
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| enum CumuCursor { | ||
| OPERATION, | ||
| OUTMODE_A, | ||
| OUTMODE_B, | ||
| CONSTANT_B, | ||
| LAST_CURSOR, | ||
| }; | ||
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| enum AccOperator { | ||
| ADD, | ||
| SUB, | ||
| MULADD1, | ||
| XOR_ROTL, //xor with rotl | ||
| SUB_ROTR, | ||
| OP_LAST | ||
| }; | ||
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| const char* applet_name() { | ||
| return "Cumulus"; | ||
| } | ||
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| void Start() { | ||
| cursor = 0; | ||
| accoperator = ADD; | ||
| acc_register = 0; | ||
| b_constant = 0; | ||
| } | ||
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| void Controller() { | ||
| b_constant_mod = b_constant; | ||
| Modulate(b_constant_mod, 1, 0, ACC_MAX_B); | ||
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| a_mod = outmode[0]; | ||
| Modulate(a_mod, 0, 0, 7); | ||
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| // randomize accumulator register | ||
| if (Clock(1)) { | ||
| acc_register = random(0, 1 << 8); | ||
| } | ||
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| if (Clock(0)) { | ||
| switch ((AccOperator)accoperator) { | ||
| case ADD: acc_register += b_constant_mod; break; | ||
| case SUB: acc_register -= b_constant_mod; break; | ||
| case MULADD1: acc_register = acc_register * b_constant_mod + 1; break; | ||
| case XOR_ROTL: | ||
| acc_register ^= b_constant_mod; | ||
| acc_register = (acc_register << 1) | (acc_register >> 7); | ||
| break; | ||
| case SUB_ROTR: | ||
| acc_register -= b_constant_mod; | ||
| acc_register = (acc_register >> 2) | (acc_register << 6); | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
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| GateOut(0, (acc_register >> a_mod) & 1); | ||
| GateOut(1, (acc_register >> outmode[1]) & 1); | ||
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| } | ||
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| } | ||
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| void View() { | ||
| DrawIndicator(); | ||
| DrawSelector(); | ||
| } | ||
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| void OnButtonPress() { | ||
| CursorAction(cursor, LAST_CURSOR); | ||
| } | ||
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| void OnEncoderMove(int direction) { | ||
| if (!EditMode()) { | ||
| MoveCursor(cursor, direction, LAST_CURSOR - 1); | ||
| return; | ||
| } | ||
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| switch ((CumuCursor)cursor) { | ||
| case OPERATION: | ||
| accoperator = (AccOperator) constrain(accoperator + direction, 0, OP_LAST - 1); | ||
| break; | ||
| case CONSTANT_B: | ||
| b_constant = constrain(b_constant + direction, ACC_MIN_B, ACC_MAX_B); | ||
| break; | ||
| case OUTMODE_A: | ||
| outmode[0] = constrain(outmode[0] + direction, 0, 7); | ||
| break; | ||
| case OUTMODE_B: | ||
| outmode[1] = constrain(outmode[1] + direction, 0, 7); | ||
| default: | ||
| break; | ||
| } | ||
| } | ||
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| uint64_t OnDataRequest() { | ||
| uint64_t data = 0; | ||
| Pack(data, PackLocation { 0, 3}, accoperator); | ||
| Pack(data, PackLocation { 3, 4}, b_constant); | ||
| Pack(data, PackLocation { 7, 4}, outmode[0]); | ||
| Pack(data, PackLocation {13, 4}, outmode[1]); | ||
| return data; | ||
| } | ||
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| void OnDataReceive(uint64_t data) { | ||
| accoperator = (AccOperator) Unpack(data, PackLocation { 0, 3}); | ||
| b_constant = Unpack(data, PackLocation { 3, 4}); | ||
| outmode[0] = Unpack(data, PackLocation { 7, 4}); | ||
| outmode[1] = Unpack(data, PackLocation {13, 4}); | ||
| } | ||
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| protected: | ||
| void SetHelp() { | ||
| // "------------------" <-- Size Guide | ||
| help[HEMISPHERE_HELP_DIGITALS] = "1=Clock 2=Rand Z"; | ||
| help[HEMISPHERE_HELP_CVS] = "1=a mod 2=k mod"; | ||
| help[HEMISPHERE_HELP_OUTS] = "Assignable"; | ||
| help[HEMISPHERE_HELP_ENCODER] = "Select/Push 2 Edit"; | ||
| // "------------------" <-- Size Guide | ||
| } | ||
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| private: | ||
| int cursor; | ||
| AccOperator accoperator; | ||
| uint8_t outmode[2] = {1, 0}; | ||
| uint8_t a_mod; | ||
| uint8_t a_display; | ||
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| uint8_t b_constant; | ||
| uint8_t b_constant_mod; | ||
| uint8_t b_display; | ||
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| uint8_t acc_register; | ||
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| const char* OP_NAMES[OP_LAST] = {"z+k", "z-k", "z*k+1", "(z^k)<<1", "(z-k)>>2"}; | ||
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| void DrawSelector() { | ||
| a_display = isEditing ? outmode[0] : a_mod; | ||
| gfxBitmap(1, 15, 8, BEAKER_ICON); | ||
| gfxPrint(12, 15, OP_NAMES[accoperator]); | ||
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| gfxPrint(1, 26, "A:"); | ||
| gfxPrint(15, 26, a_display); | ||
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| gfxPrint(32, 26, "B:"); | ||
| gfxPrint(47, 26, outmode[1]); | ||
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| gfxLine(0, 36, 63, 36); | ||
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| switch ((CumuCursor)cursor) { | ||
| case OPERATION: gfxCursor(11, 23, 50); break; | ||
| case OUTMODE_A: gfxCursor(14, 34, 16); break; | ||
| case OUTMODE_B: gfxCursor(46, 34, 16); break; | ||
| case CONSTANT_B: gfxCursor(36, 48, 25); break; | ||
| default: | ||
| break; | ||
| } | ||
| } | ||
|
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| void DrawIndicator() { | ||
| gfxPrint(1, 40, "k"); | ||
| gfxPrint(1, 52, "Z"); | ||
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| // when editing modulating parameters show original value | ||
| b_display = isEditing ? b_constant : b_constant_mod; | ||
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| for (int i = 0; i < 8; i++) { | ||
| gfxPrint(12 + (i * 6), 52, (acc_register >> (7 - i)) & 1); | ||
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| if (i > 3) gfxPrint(12 + (i * 6), 40, (b_display >> (7 - i)) & 1); | ||
| } | ||
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| gfxLine((7 - a_mod) * 6 + 13, 50, (7 - a_mod) * 6 + 17, 50); | ||
| gfxLine((7 - outmode[1]) * 6 + 13, 60, (7 - outmode[1]) * 6 + 17, 60); | ||
| } | ||
| }; |
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