5 // Created by Matt Parsons on 06/03/2019.
6 // Copyright © 2019 Matt Parsons. All rights reserved.
9 // Write Byte to Gayle Space 0xda9000 (0x0000c3)
10 // Read Byte From Gayle Space 0xda9000
11 // Read Byte From Gayle Space 0xdaa000
22 #include "config_file/config_file.h"
23 #include "platforms/amiga/amiga-registers.h"
24 #include "platforms/shared/rtc.h"
26 //#define GSTATUS 0xda201c
27 //#define GCLOW 0xda2010
28 //#define GDH 0xda2018
33 #define GERROR 0xda2004 // Error
34 #define GSTATUS 0xda201c // Status
36 #define GFEAT 0xda2004 // Write : Feature
37 #define GCMD 0xda201c // Write : Command
39 #define GDATA 0xda2000 // Data
40 #define GSECTCNT 0xda2008 // SectorCount
41 #define GSECTNUM 0xda200c // SectorNumber
42 #define GCYLLOW 0xda2010 // CylinderLow
43 #define GCYLHIGH 0xda2014 // CylinderHigh
44 #define GDEVHEAD 0xda2018 // Device/Head
45 #define GCTRL 0xda3018 // Control
47 #define GIDENT 0xDE1000
50 #define GCS 0xDA8000 // Card Control
51 #define GIRQ 0xDA9000 // IRQ
52 #define GINT 0xDAA000 // Int enable
53 #define GCONF 0xDAB000 // Gayle Config
56 #define GAYLE_CS_IDE 0x80 /* IDE int status */
57 #define GAYLE_CS_CCDET 0x40 /* credit card detect */
58 #define GAYLE_CS_BVD1 0x20 /* battery voltage detect 1 */
59 #define GAYLE_CS_SC 0x20 /* credit card status change */
60 #define GAYLE_CS_BVD2 0x10 /* battery voltage detect 2 */
61 #define GAYLE_CS_DA 0x10 /* digital audio */
62 #define GAYLE_CS_WR 0x08 /* write enable (1 == enabled) */
63 #define GAYLE_CS_BSY 0x04 /* credit card busy */
64 #define GAYLE_CS_IRQ 0x04 /* interrupt request */
65 #define GAYLE_CS_DAEN 0x02 /* enable digital audio */
66 #define GAYLE_CS_DIS 0x01 /* disable PCMCIA slot */
69 #define GAYLE_IRQ_IDE 0x80
70 #define GAYLE_IRQ_CCDET 0x40 /* credit card detect */
71 #define GAYLE_IRQ_BVD1 0x20 /* battery voltage detect 1 */
72 #define GAYLE_IRQ_SC 0x20 /* credit card status change */
73 #define GAYLE_IRQ_BVD2 0x10 /* battery voltage detect 2 */
74 #define GAYLE_IRQ_DA 0x10 /* digital audio */
75 #define GAYLE_IRQ_WR 0x08 /* write enable (1 == enabled) */
76 #define GAYLE_IRQ_BSY 0x04 /* credit card busy */
77 #define GAYLE_IRQ_IRQ 0x04 /* interrupt request */
78 #define GAYLE_IRQ_RESET 0x02 /* reset machine after CCDET change */
79 #define GAYLE_IRQ_BERR 0x01 /* generate bus error after CCDET change */
82 #define GAYLE_INT_IDE 0x80 /* IDE interrupt enable */
83 #define GAYLE_INT_CCDET 0x40 /* credit card detect change enable */
84 #define GAYLE_INT_BVD1 0x20 /* battery voltage detect 1 change enable */
85 #define GAYLE_INT_SC 0x20 /* credit card status change enable */
86 #define GAYLE_INT_BVD2 0x10 /* battery voltage detect 2 change enable */
87 #define GAYLE_INT_DA 0x10 /* digital audio change enable */
88 #define GAYLE_INT_WR 0x08 /* write enable change enabled */
89 #define GAYLE_INT_BSY 0x04 /* credit card busy */
90 #define GAYLE_INT_IRQ 0x04 /* credit card interrupt request */
91 #define GAYLE_INT_BVD_LEV 0x02 /* BVD int level, 0=lev2,1=lev6 */
92 #define GAYLE_INT_BSY_LEV 0x01 /* BSY int level, 0=lev2,1=lev6 */
94 #define GAYLE_MAX_HARDFILES 8
97 static uint8_t gayle_irq, gayle_int, gayle_cs, gayle_cs_mask, gayle_cfg;
98 static struct ide_controller *ide0;
101 uint8_t rtc_type = RTC_TYPE_RICOH;
103 char *hdd_image_file[GAYLE_MAX_HARDFILES];
105 uint8_t cdtv_mode = 0;
106 unsigned char cdtv_sram[32 * SIZE_KILO];
108 void set_hard_drive_image_file_amiga(uint8_t index, char *filename) {
109 if (hdd_image_file[index] != NULL)
110 free(hdd_image_file[index]);
111 hdd_image_file[index] = calloc(1, strlen(filename) + 1);
112 strcpy(hdd_image_file[index], filename);
115 void InitGayle(void) {
116 if (!hdd_image_file[0]) {
117 hdd_image_file[0] = calloc(1, 64);
118 sprintf(hdd_image_file[0], "hd0.img");
121 ide0 = ide_allocate("cf");
122 fd = open(hdd_image_file[0], O_RDWR);
124 printf("HDD Image %s failed open\n", hdd_image_file[0]);
126 ide_attach(ide0, 0, fd);
127 ide_reset_begin(ide0);
128 printf("HDD Image %s attached\n", hdd_image_file[0]);
132 uint8_t CheckIrq(void) {
135 if (gayle_int & (1 << 7)) {
136 irq = ide0->drive->intrq;
138 // printf("IDE IRQ: %x\n",irq);
144 void writeGayleB(unsigned int address, unsigned int value) {
145 if (address == GFEAT) {
146 ide_write8(ide0, ide_feature_w, value);
149 if (address == GCMD) {
150 ide_write8(ide0, ide_command_w, value);
153 if (address == GSECTCNT) {
154 ide_write8(ide0, ide_sec_count, value);
157 if (address == GSECTNUM) {
158 ide_write8(ide0, ide_sec_num, value);
161 if (address == GCYLLOW) {
162 ide_write8(ide0, ide_cyl_low, value);
165 if (address == GCYLHIGH) {
166 ide_write8(ide0, ide_cyl_hi, value);
169 if (address == GDEVHEAD) {
170 ide_write8(ide0, ide_dev_head, value);
173 if (address == GCTRL) {
174 ide_write8(ide0, ide_devctrl_w, value);
178 if (address == GIDENT) {
180 // printf("Write Byte to Gayle Ident 0x%06x (0x%06x)\n",address,value);
184 if (address == GIRQ) {
185 // printf("Write Byte to Gayle GIRQ 0x%06x (0x%06x)\n",address,value);
186 gayle_irq = (gayle_irq & value) | (value & (GAYLE_IRQ_RESET | GAYLE_IRQ_BERR));
191 if (address == GCS) {
192 printf("Write Byte to Gayle GCS 0x%06x (0x%06x)\n", address, value);
193 gayle_cs_mask = value & ~3;
195 gayle_cs |= value & 3;
199 if (address == GINT) {
200 printf("Write Byte to Gayle GINT 0x%06x (0x%06x)\n", address, value);
205 if (address == GCONF) {
206 printf("Write Byte to Gayle GCONF 0x%06x (0x%06x)\n", address, value);
211 if ((address & GAYLEMASK) == CLOCKBASE) {
212 if ((address & CLOCKMASK) >= 0x8000) {
214 cdtv_sram[(address & CLOCKMASK) - 0x8000] = value;
218 put_rtc_byte(address, value, rtc_type);
222 printf("Write Byte to Gayle Space 0x%06x (0x%06x)\n", address, value);
225 void writeGayle(unsigned int address, unsigned int value) {
226 if (address == GDATA) {
227 ide_write16(ide0, ide_data, value);
231 if ((address & GAYLEMASK) == CLOCKBASE) {
232 if ((address & CLOCKMASK) >= 0x8000) {
234 ((short *) ((size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000)))[0] = htobe16(value);
238 printf("Word write to RTC.\n");
239 put_rtc_byte(address, (value & 0xFF), rtc_type);
240 put_rtc_byte(address + 1, (value >> 8), rtc_type);
244 printf("Write Word to Gayle Space 0x%06x (0x%06x)\n", address, value);
247 void writeGayleL(unsigned int address, unsigned int value) {
248 if ((address & GAYLEMASK) == CLOCKBASE) {
249 if ((address & CLOCKMASK) >= 0x8000) {
251 ((int *) (size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000))[0] = htobe32(value);
255 printf("Longword write to RTC.\n");
256 put_rtc_byte(address, (value & 0xFF), rtc_type);
257 put_rtc_byte(address + 1, ((value & 0x0000FF00) >> 8), rtc_type);
258 put_rtc_byte(address + 2, ((value & 0x00FF0000) >> 16), rtc_type);
259 put_rtc_byte(address + 3, (value >> 24), rtc_type);
263 printf("Write Long to Gayle Space 0x%06x (0x%06x)\n", address, value);
266 uint8_t readGayleB(unsigned int address) {
267 if (address == GERROR) {
268 return ide_read8(ide0, ide_error_r);
270 if (address == GSTATUS) {
271 return ide_read8(ide0, ide_status_r);
274 if (address == GSECTCNT) {
275 return ide_read8(ide0, ide_sec_count);
278 if (address == GSECTNUM) {
279 return ide_read8(ide0, ide_sec_num);
282 if (address == GCYLLOW) {
283 return ide_read8(ide0, ide_cyl_low);
286 if (address == GCYLHIGH) {
287 return ide_read8(ide0, ide_cyl_hi);
290 if (address == GDEVHEAD) {
291 return ide_read8(ide0, ide_dev_head);
294 if (address == GCTRL) {
295 return ide_read8(ide0, ide_altst_r);
298 if ((address & GAYLEMASK) == CLOCKBASE) {
299 if ((address & CLOCKMASK) >= 0x8000) {
301 return cdtv_sram[(address & CLOCKMASK) - 0x8000];
305 return get_rtc_byte(address, rtc_type);
308 if (address == GIDENT) {
310 // printf("Read Byte from Gayle Ident 0x%06x (0x%06x)\n",address,counter);
311 if (counter == 0 || counter == 1 || counter == 3) {
312 val = 0x80; // 80; to enable gayle
320 if (address == GIRQ) {
321 // printf("Read Byte From GIRQ Space 0x%06x\n",gayle_irq);
323 return 0x80;//gayle_irq;
326 irq = ide0->drive->intrq;
329 // printf("IDE IRQ: %x\n",irq);
330 return 0x80; // gayle_irq;
337 if (address == GCS) {
338 printf("Read Byte From GCS Space 0x%06x\n", 0x1234);
340 v = gayle_cs_mask | gayle_cs;
344 if (address == GINT) {
345 // printf("Read Byte From GINT Space 0x%06x\n",gayle_int);
349 if (address == GCONF) {
350 printf("Read Byte From GCONF Space 0x%06x\n", gayle_cfg & 0x0f);
351 return gayle_cfg & 0x0f;
354 printf("Read Byte From Gayle Space 0x%06x\n", address);
358 uint16_t readGayle(unsigned int address) {
359 if (address == GDATA) {
361 value = ide_read16(ide0, ide_data);
362 // value = (value << 8) | (value >> 8);
366 if ((address & GAYLEMASK) == CLOCKBASE) {
367 if ((address & CLOCKMASK) >= 0x8000) {
370 return be16toh( (( unsigned short *) (size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000))[0]);
374 return ((get_rtc_byte(address, rtc_type) << 8) | (get_rtc_byte(address + 1, rtc_type)));
377 printf("Read Word From Gayle Space 0x%06x\n", address);
381 uint32_t readGayleL(unsigned int address) {
382 if ((address & GAYLEMASK) == CLOCKBASE) {
383 if ((address & CLOCKMASK) >= 0x8000) {
385 return be32toh( (( unsigned short *) (size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000))[0]);
389 return ((get_rtc_byte(address, rtc_type) << 24) | (get_rtc_byte(address + 1, rtc_type) << 16) | (get_rtc_byte(address + 2, rtc_type) << 8) | (get_rtc_byte(address + 3, rtc_type)));
392 printf("Read Long From Gayle Space 0x%06x\n", address);