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Diffstat (limited to 'plugins/dumb/dumb-kode54/src/it/xmeffect.c')
-rw-r--r--plugins/dumb/dumb-kode54/src/it/xmeffect.c486
1 files changed, 243 insertions, 243 deletions
diff --git a/plugins/dumb/dumb-kode54/src/it/xmeffect.c b/plugins/dumb/dumb-kode54/src/it/xmeffect.c
index 2187a0b3..143bd804 100644
--- a/plugins/dumb/dumb-kode54/src/it/xmeffect.c
+++ b/plugins/dumb/dumb-kode54/src/it/xmeffect.c
@@ -1,243 +1,243 @@
-/* _______ ____ __ ___ ___
- * \ _ \ \ / \ / \ \ / / ' ' '
- * | | \ \ | | || | \/ | . .
- * | | | | | | || ||\ /| |
- * | | | | | | || || \/ | | ' ' '
- * | | | | | | || || | | . .
- * | |_/ / \ \__// || | |
- * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
- * / \
- * / . \
- * xmeffect.c - Code for converting MOD/XM / / \ \
- * effects to IT effects. | < / \_
- * | \/ /\ /
- * By Julien Cugniere. Ripped out of readxm.c \_ / > /
- * by entheh. | \ / /
- * | ' /
- * \__/
- */
-
-
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "dumb.h"
-#include "internal/it.h"
-
-#if 0
-unsigned char **_dumb_malloc2(int w, int h)
-{
- unsigned char **line = malloc(h * sizeof(*line));
- int i;
- if (!line) return NULL;
-
- line[0] = malloc(w * h * sizeof(*line[0]));
- if (!line[0]) {
- free(line);
- return NULL;
- }
-
- for (i = 1; i < h; i++)
- line[i] = line[i-1] + w;
-
- memset(line[0], 0, w*h);
-
- return line;
-}
-
-
-
-void _dumb_free2(unsigned char **line)
-{
- if (line) {
- if (line[0])
- free(line[0]);
- free(line);
- }
-}
-
-
-
-/* Effects having a memory. 2 means that the two parts of the effectvalue
- * should be handled separately.
- */
-static const char xm_has_memory[] = {
-/* 0 1 2 3 4 5 6 7 8 9 A B C D (E) F G H K L P R T (X) */
- 0, 1, 1, 1, 2, 1, 1, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0,
-
-/* E0 E1 E2 E3 E4 E5 E6 E7 E9 EA EB EC ED EE X1 X2 */
- 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-#endif
-
-
-
-/* Effects marked with 'special' are handled specifically in itrender.c */
-void _dumb_it_xm_convert_effect(int effect, int value, IT_ENTRY *entry, int mod)
-{
-const int log = 0;
-
- if ((!effect && !value) || (effect >= XM_N_EFFECTS))
- return;
-
-if (log) printf("%c%02X", (effect<10)?('0'+effect):('A'+effect-10), value);
-
- /* Linearisation of the effect number... */
- if (effect == XM_E) {
- effect = EBASE + HIGH(value);
- value = LOW(value);
- } else if (effect == XM_X) {
- effect = XBASE + HIGH(value);
- value = LOW(value);
- }
-
-if (log) printf(" - %2d %02X", effect, value);
-
-#if 0 // This should be handled in itrender.c!
- /* update effect memory */
- switch (xm_has_memory[effect]) {
- case 1:
- if (!value)
- value = memory[entry->channel][effect];
- else
- memory[entry->channel][effect] = value;
- break;
-
- case 2:
- if (!HIGH(value))
- SET_HIGH(value, HIGH(memory[entry->channel][effect]));
- else
- SET_HIGH(memory[entry->channel][effect], HIGH(value));
-
- if (!LOW(value))
- SET_LOW(value, LOW(memory[entry->channel][effect]));
- else
- SET_LOW(memory[entry->channel][effect], LOW(value));
- break;
- }
-#endif
-
- /* convert effect */
- entry->mask |= IT_ENTRY_EFFECT;
- switch (effect) {
-
- case XM_APPREGIO: effect = IT_ARPEGGIO; break;
- case XM_VIBRATO: effect = IT_VIBRATO; break;
- case XM_TONE_PORTAMENTO: effect = IT_TONE_PORTAMENTO; break;
- case XM_TREMOLO: effect = IT_TREMOLO; break;
- case XM_SET_PANNING: effect = IT_SET_PANNING; break;
- case XM_SAMPLE_OFFSET: effect = IT_SET_SAMPLE_OFFSET; break;
- case XM_POSITION_JUMP: effect = IT_JUMP_TO_ORDER; break;
- case XM_MULTI_RETRIG: effect = IT_RETRIGGER_NOTE; break;
- case XM_TREMOR: effect = IT_TREMOR; break;
- case XM_PORTAMENTO_UP: effect = IT_XM_PORTAMENTO_UP; break;
- case XM_PORTAMENTO_DOWN: effect = IT_XM_PORTAMENTO_DOWN; break;
- case XM_SET_CHANNEL_VOLUME: effect = IT_SET_CHANNEL_VOLUME; break; /* special */
- case XM_VOLSLIDE_TONEPORTA: effect = IT_VOLSLIDE_TONEPORTA; break; /* special */
- case XM_VOLSLIDE_VIBRATO: effect = IT_VOLSLIDE_VIBRATO; break; /* special */
-
- case XM_PATTERN_BREAK:
- effect = IT_BREAK_TO_ROW;
- value = BCD_TO_NORMAL(value);
- if (value > 63) value = 0; /* FT2, maybe ProTracker? */
- break;
-
- case XM_VOLUME_SLIDE: /* special */
- effect = IT_VOLUME_SLIDE;
- value = HIGH(value) ? EFFECT_VALUE(HIGH(value), 0) : EFFECT_VALUE(0, LOW(value));
- break;
-
- case XM_PANNING_SLIDE:
- effect = IT_PANNING_SLIDE;
- //value = HIGH(value) ? EFFECT_VALUE(HIGH(value), 0) : EFFECT_VALUE(0, LOW(value));
- value = HIGH(value) ? EFFECT_VALUE(0, HIGH(value)) : EFFECT_VALUE(LOW(value), 0);
- break;
-
- case XM_GLOBAL_VOLUME_SLIDE: /* special */
- effect = IT_GLOBAL_VOLUME_SLIDE;
- value = HIGH(value) ? EFFECT_VALUE(HIGH(value), 0) : EFFECT_VALUE(0, LOW(value));
- break;
-
- case XM_SET_TEMPO_BPM:
- if (mod) effect = (value <= 0x20) ? (IT_SET_SPEED) : (IT_SET_SONG_TEMPO);
- else effect = (value < 0x20) ? (IT_SET_SPEED) : (IT_SET_SONG_TEMPO);
- break;
-
- case XM_SET_GLOBAL_VOLUME:
- effect = IT_SET_GLOBAL_VOLUME;
- value *= 2;
- break;
-
- case XM_KEY_OFF:
- effect = IT_XM_KEY_OFF;
- break;
-
- case XM_SET_ENVELOPE_POSITION:
- effect = IT_XM_SET_ENVELOPE_POSITION;
- break;
-
- case EBASE+XM_E_SET_FILTER: effect = SBASE+IT_S_SET_FILTER; break;
- case EBASE+XM_E_SET_GLISSANDO_CONTROL: effect = SBASE+IT_S_SET_GLISSANDO_CONTROL; break; /** TODO */
- case EBASE+XM_E_SET_FINETUNE: effect = SBASE+IT_S_FINETUNE; break;
- case EBASE+XM_E_SET_LOOP: effect = SBASE+IT_S_PATTERN_LOOP; break;
- case EBASE+XM_E_NOTE_CUT: effect = SBASE+IT_S_DELAYED_NOTE_CUT; break;
- case EBASE+XM_E_NOTE_DELAY: effect = SBASE+IT_S_NOTE_DELAY; break;
- case EBASE+XM_E_PATTERN_DELAY: effect = SBASE+IT_S_PATTERN_DELAY; break;
- case EBASE+XM_E_SET_PANNING: effect = SBASE+IT_S_SET_PAN; break;
- case EBASE+XM_E_FINE_VOLSLIDE_UP: effect = IT_XM_FINE_VOLSLIDE_UP; break;
- case EBASE+XM_E_FINE_VOLSLIDE_DOWN: effect = IT_XM_FINE_VOLSLIDE_DOWN; break;
-
- case EBASE + XM_E_FINE_PORTA_UP:
- effect = IT_PORTAMENTO_UP;
- value = EFFECT_VALUE(0xF, value);
- break;
-
- case EBASE + XM_E_FINE_PORTA_DOWN:
- effect = IT_PORTAMENTO_DOWN;
- value = EFFECT_VALUE(0xF, value);
- break;
-
- case EBASE + XM_E_RETRIG_NOTE:
- effect = IT_XM_RETRIGGER_NOTE;
- value = EFFECT_VALUE(0, value);
- break;
-
- case EBASE + XM_E_SET_VIBRATO_CONTROL:
- effect = SBASE+IT_S_SET_VIBRATO_WAVEFORM;
- value &= ~4;
- break;
-
- case EBASE + XM_E_SET_TREMOLO_CONTROL:
- effect = SBASE+IT_S_SET_TREMOLO_WAVEFORM;
- value &= ~4;
- break;
-
- case XBASE + XM_X_EXTRAFINE_PORTA_UP:
- effect = IT_PORTAMENTO_UP;
- value = EFFECT_VALUE(0xE, value);
- break;
-
- case XBASE + XM_X_EXTRAFINE_PORTA_DOWN:
- effect = IT_PORTAMENTO_DOWN;
- value = EFFECT_VALUE(0xE, value);
- break;
-
- default:
- /* user effect (often used in demos for synchronisation) */
- entry->mask &= ~IT_ENTRY_EFFECT;
- }
-
-if (log) printf(" - %2d %02X", effect, value);
-
- /* Inverse linearisation... */
- if (effect >= SBASE && effect < SBASE+16) {
- value = EFFECT_VALUE(effect-SBASE, value);
- effect = IT_S;
- }
-
-if (log) printf(" - %c%02X\n", 'A'+effect-1, value);
-
- entry->effect = effect;
- entry->effectvalue = value;
-}
+/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * xmeffect.c - Code for converting MOD/XM / / \ \
+ * effects to IT effects. | < / \_
+ * | \/ /\ /
+ * By Julien Cugniere. Ripped out of readxm.c \_ / > /
+ * by entheh. | \ / /
+ * | ' /
+ * \__/
+ */
+
+
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "dumb.h"
+#include "internal/it.h"
+
+#if 0
+unsigned char **_dumb_malloc2(int w, int h)
+{
+ unsigned char **line = malloc(h * sizeof(*line));
+ int i;
+ if (!line) return NULL;
+
+ line[0] = malloc(w * h * sizeof(*line[0]));
+ if (!line[0]) {
+ free(line);
+ return NULL;
+ }
+
+ for (i = 1; i < h; i++)
+ line[i] = line[i-1] + w;
+
+ memset(line[0], 0, w*h);
+
+ return line;
+}
+
+
+
+void _dumb_free2(unsigned char **line)
+{
+ if (line) {
+ if (line[0])
+ free(line[0]);
+ free(line);
+ }
+}
+
+
+
+/* Effects having a memory. 2 means that the two parts of the effectvalue
+ * should be handled separately.
+ */
+static const char xm_has_memory[] = {
+/* 0 1 2 3 4 5 6 7 8 9 A B C D (E) F G H K L P R T (X) */
+ 0, 1, 1, 1, 2, 1, 1, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0,
+
+/* E0 E1 E2 E3 E4 E5 E6 E7 E9 EA EB EC ED EE X1 X2 */
+ 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+#endif
+
+
+
+/* Effects marked with 'special' are handled specifically in itrender.c */
+void _dumb_it_xm_convert_effect(int effect, int value, IT_ENTRY *entry, int mod)
+{
+const int log = 0;
+
+ if ((!effect && !value) || (effect >= XM_N_EFFECTS))
+ return;
+
+if (log) printf("%c%02X", (effect<10)?('0'+effect):('A'+effect-10), value);
+
+ /* Linearisation of the effect number... */
+ if (effect == XM_E) {
+ effect = EBASE + HIGH(value);
+ value = LOW(value);
+ } else if (effect == XM_X) {
+ effect = XBASE + HIGH(value);
+ value = LOW(value);
+ }
+
+if (log) printf(" - %2d %02X", effect, value);
+
+#if 0 // This should be handled in itrender.c!
+ /* update effect memory */
+ switch (xm_has_memory[effect]) {
+ case 1:
+ if (!value)
+ value = memory[entry->channel][effect];
+ else
+ memory[entry->channel][effect] = value;
+ break;
+
+ case 2:
+ if (!HIGH(value))
+ SET_HIGH(value, HIGH(memory[entry->channel][effect]));
+ else
+ SET_HIGH(memory[entry->channel][effect], HIGH(value));
+
+ if (!LOW(value))
+ SET_LOW(value, LOW(memory[entry->channel][effect]));
+ else
+ SET_LOW(memory[entry->channel][effect], LOW(value));
+ break;
+ }
+#endif
+
+ /* convert effect */
+ entry->mask |= IT_ENTRY_EFFECT;
+ switch (effect) {
+
+ case XM_APPREGIO: effect = IT_ARPEGGIO; break;
+ case XM_VIBRATO: effect = IT_VIBRATO; break;
+ case XM_TONE_PORTAMENTO: effect = IT_TONE_PORTAMENTO; break;
+ case XM_TREMOLO: effect = IT_TREMOLO; break;
+ case XM_SET_PANNING: effect = IT_SET_PANNING; break;
+ case XM_SAMPLE_OFFSET: effect = IT_SET_SAMPLE_OFFSET; break;
+ case XM_POSITION_JUMP: effect = IT_JUMP_TO_ORDER; break;
+ case XM_MULTI_RETRIG: effect = IT_RETRIGGER_NOTE; break;
+ case XM_TREMOR: effect = IT_TREMOR; break;
+ case XM_PORTAMENTO_UP: effect = IT_XM_PORTAMENTO_UP; break;
+ case XM_PORTAMENTO_DOWN: effect = IT_XM_PORTAMENTO_DOWN; break;
+ case XM_SET_CHANNEL_VOLUME: effect = IT_SET_CHANNEL_VOLUME; break; /* special */
+ case XM_VOLSLIDE_TONEPORTA: effect = IT_VOLSLIDE_TONEPORTA; break; /* special */
+ case XM_VOLSLIDE_VIBRATO: effect = IT_VOLSLIDE_VIBRATO; break; /* special */
+
+ case XM_PATTERN_BREAK:
+ effect = IT_BREAK_TO_ROW;
+ value = BCD_TO_NORMAL(value);
+ if (value > 63) value = 0; /* FT2, maybe ProTracker? */
+ break;
+
+ case XM_VOLUME_SLIDE: /* special */
+ effect = IT_VOLUME_SLIDE;
+ value = HIGH(value) ? EFFECT_VALUE(HIGH(value), 0) : EFFECT_VALUE(0, LOW(value));
+ break;
+
+ case XM_PANNING_SLIDE:
+ effect = IT_PANNING_SLIDE;
+ //value = HIGH(value) ? EFFECT_VALUE(HIGH(value), 0) : EFFECT_VALUE(0, LOW(value));
+ value = HIGH(value) ? EFFECT_VALUE(0, HIGH(value)) : EFFECT_VALUE(LOW(value), 0);
+ break;
+
+ case XM_GLOBAL_VOLUME_SLIDE: /* special */
+ effect = IT_GLOBAL_VOLUME_SLIDE;
+ value = HIGH(value) ? EFFECT_VALUE(HIGH(value), 0) : EFFECT_VALUE(0, LOW(value));
+ break;
+
+ case XM_SET_TEMPO_BPM:
+ if (mod) effect = (value <= 0x20) ? (IT_SET_SPEED) : (IT_SET_SONG_TEMPO);
+ else effect = (value < 0x20) ? (IT_SET_SPEED) : (IT_SET_SONG_TEMPO);
+ break;
+
+ case XM_SET_GLOBAL_VOLUME:
+ effect = IT_SET_GLOBAL_VOLUME;
+ value *= 2;
+ break;
+
+ case XM_KEY_OFF:
+ effect = IT_XM_KEY_OFF;
+ break;
+
+ case XM_SET_ENVELOPE_POSITION:
+ effect = IT_XM_SET_ENVELOPE_POSITION;
+ break;
+
+ case EBASE+XM_E_SET_FILTER: effect = SBASE+IT_S_SET_FILTER; break;
+ case EBASE+XM_E_SET_GLISSANDO_CONTROL: effect = SBASE+IT_S_SET_GLISSANDO_CONTROL; break; /** TODO */
+ case EBASE+XM_E_SET_FINETUNE: effect = SBASE+IT_S_FINETUNE; break;
+ case EBASE+XM_E_SET_LOOP: effect = SBASE+IT_S_PATTERN_LOOP; break;
+ case EBASE+XM_E_NOTE_CUT: effect = SBASE+IT_S_DELAYED_NOTE_CUT; break;
+ case EBASE+XM_E_NOTE_DELAY: effect = SBASE+IT_S_NOTE_DELAY; break;
+ case EBASE+XM_E_PATTERN_DELAY: effect = SBASE+IT_S_PATTERN_DELAY; break;
+ case EBASE+XM_E_SET_PANNING: effect = SBASE+IT_S_SET_PAN; break;
+ case EBASE+XM_E_FINE_VOLSLIDE_UP: effect = IT_XM_FINE_VOLSLIDE_UP; break;
+ case EBASE+XM_E_FINE_VOLSLIDE_DOWN: effect = IT_XM_FINE_VOLSLIDE_DOWN; break;
+
+ case EBASE + XM_E_FINE_PORTA_UP:
+ effect = IT_PORTAMENTO_UP;
+ value = EFFECT_VALUE(0xF, value);
+ break;
+
+ case EBASE + XM_E_FINE_PORTA_DOWN:
+ effect = IT_PORTAMENTO_DOWN;
+ value = EFFECT_VALUE(0xF, value);
+ break;
+
+ case EBASE + XM_E_RETRIG_NOTE:
+ effect = IT_XM_RETRIGGER_NOTE;
+ value = EFFECT_VALUE(0, value);
+ break;
+
+ case EBASE + XM_E_SET_VIBRATO_CONTROL:
+ effect = SBASE+IT_S_SET_VIBRATO_WAVEFORM;
+ value &= ~4;
+ break;
+
+ case EBASE + XM_E_SET_TREMOLO_CONTROL:
+ effect = SBASE+IT_S_SET_TREMOLO_WAVEFORM;
+ value &= ~4;
+ break;
+
+ case XBASE + XM_X_EXTRAFINE_PORTA_UP:
+ effect = IT_PORTAMENTO_UP;
+ value = EFFECT_VALUE(0xE, value);
+ break;
+
+ case XBASE + XM_X_EXTRAFINE_PORTA_DOWN:
+ effect = IT_PORTAMENTO_DOWN;
+ value = EFFECT_VALUE(0xE, value);
+ break;
+
+ default:
+ /* user effect (often used in demos for synchronisation) */
+ entry->mask &= ~IT_ENTRY_EFFECT;
+ }
+
+if (log) printf(" - %2d %02X", effect, value);
+
+ /* Inverse linearisation... */
+ if (effect >= SBASE && effect < SBASE+16) {
+ value = EFFECT_VALUE(effect-SBASE, value);
+ effect = IT_S;
+ }
+
+if (log) printf(" - %c%02X\n", 'A'+effect-1, value);
+
+ entry->effect = effect;
+ entry->effectvalue = value;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-16 21:18:51 +0000