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 void set_hard_drive_image_file_amiga(uint8_t index, char *filename) {
106 if (hdd_image_file[index] != NULL)
107 free(hdd_image_file[index]);
108 hdd_image_file[index] = calloc(1, strlen(filename) + 1);
109 strcpy(hdd_image_file[index], filename);
112 void InitGayle(void) {
113 if (!hdd_image_file[0]) {
114 hdd_image_file[0] = calloc(1, 64);
115 sprintf(hdd_image_file[0], "hd0.img");
118 ide0 = ide_allocate("cf");
119 fd = open(hdd_image_file[0], O_RDWR);
121 printf("HDD Image %s failed open\n", hdd_image_file[0]);
123 ide_attach(ide0, 0, fd);
124 ide_reset_begin(ide0);
125 printf("HDD Image %s attached\n", hdd_image_file[0]);
129 uint8_t CheckIrq(void) {
132 if (gayle_int & (1 << 7)) {
133 irq = ide0->drive->intrq;
135 // printf("IDE IRQ: %x\n",irq);
141 void writeGayleB(unsigned int address, unsigned int value) {
142 if (address == GFEAT) {
143 ide_write8(ide0, ide_feature_w, value);
146 if (address == GCMD) {
147 ide_write8(ide0, ide_command_w, value);
150 if (address == GSECTCNT) {
151 ide_write8(ide0, ide_sec_count, value);
154 if (address == GSECTNUM) {
155 ide_write8(ide0, ide_sec_num, value);
158 if (address == GCYLLOW) {
159 ide_write8(ide0, ide_cyl_low, value);
162 if (address == GCYLHIGH) {
163 ide_write8(ide0, ide_cyl_hi, value);
166 if (address == GDEVHEAD) {
167 ide_write8(ide0, ide_dev_head, value);
170 if (address == GCTRL) {
171 ide_write8(ide0, ide_devctrl_w, value);
175 if (address == GIDENT) {
177 // printf("Write Byte to Gayle Ident 0x%06x (0x%06x)\n",address,value);
181 if (address == GIRQ) {
182 // printf("Write Byte to Gayle GIRQ 0x%06x (0x%06x)\n",address,value);
183 gayle_irq = (gayle_irq & value) | (value & (GAYLE_IRQ_RESET | GAYLE_IRQ_BERR));
188 if (address == GCS) {
189 printf("Write Byte to Gayle GCS 0x%06x (0x%06x)\n", address, value);
190 gayle_cs_mask = value & ~3;
192 gayle_cs |= value & 3;
196 if (address == GINT) {
197 printf("Write Byte to Gayle GINT 0x%06x (0x%06x)\n", address, value);
202 if (address == GCONF) {
203 printf("Write Byte to Gayle GCONF 0x%06x (0x%06x)\n", address, value);
208 if ((address & GAYLEMASK) == CLOCKBASE) {
209 if ((address & CLOCKMASK) >= 0x8000) {
210 printf("Byte write to CDTV SRAM?\n");
213 put_rtc_byte(address, value, rtc_type);
217 printf("Write Byte to Gayle Space 0x%06x (0x%06x)\n", address, value);
220 void writeGayle(unsigned int address, unsigned int value) {
221 if (address == GDATA) {
222 ide_write16(ide0, ide_data, value);
226 if ((address & GAYLEMASK) == CLOCKBASE) {
227 if ((address & CLOCKMASK) >= 0x8000) {
228 printf("Word write to CDTV SRAM?\n");
231 printf("Word write to RTC.\n");
232 put_rtc_byte(address, (value & 0xFF), rtc_type);
233 put_rtc_byte(address + 1, (value >> 8), rtc_type);
237 printf("Write Word to Gayle Space 0x%06x (0x%06x)\n", address, value);
240 void writeGayleL(unsigned int address, unsigned int value) {
241 if ((address & GAYLEMASK) == CLOCKBASE) {
242 if ((address & CLOCKMASK) >= 0x8000) {
243 printf("Longword write to CDTV SRAM?\n");
246 printf("Longword write to RTC.\n");
247 put_rtc_byte(address, (value & 0xFF), rtc_type);
248 put_rtc_byte(address + 1, ((value & 0x0000FF00) >> 8), rtc_type);
249 put_rtc_byte(address + 2, ((value & 0x00FF0000) >> 16), rtc_type);
250 put_rtc_byte(address + 3, (value >> 24), rtc_type);
254 printf("Write Long to Gayle Space 0x%06x (0x%06x)\n", address, value);
257 uint8_t readGayleB(unsigned int address) {
258 if (address == GERROR) {
259 return ide_read8(ide0, ide_error_r);
261 if (address == GSTATUS) {
262 return ide_read8(ide0, ide_status_r);
265 if (address == GSECTCNT) {
266 return ide_read8(ide0, ide_sec_count);
269 if (address == GSECTNUM) {
270 return ide_read8(ide0, ide_sec_num);
273 if (address == GCYLLOW) {
274 return ide_read8(ide0, ide_cyl_low);
277 if (address == GCYLHIGH) {
278 return ide_read8(ide0, ide_cyl_hi);
281 if (address == GDEVHEAD) {
282 return ide_read8(ide0, ide_dev_head);
285 if (address == GCTRL) {
286 return ide_read8(ide0, ide_altst_r);
289 if ((address & GAYLEMASK) == CLOCKBASE) {
290 if ((address & CLOCKMASK) >= 0x8000) {
291 printf("Byte read from CDTV SRAM?\n");
294 return get_rtc_byte(address, rtc_type);
297 if (address == GIDENT) {
299 // printf("Read Byte from Gayle Ident 0x%06x (0x%06x)\n",address,counter);
300 if (counter == 0 || counter == 1 || counter == 3) {
301 val = 0x80; // 80; to enable gayle
309 if (address == GIRQ) {
310 // printf("Read Byte From GIRQ Space 0x%06x\n",gayle_irq);
312 return 0x80;//gayle_irq;
315 irq = ide0->drive->intrq;
318 // printf("IDE IRQ: %x\n",irq);
319 return 0x80; // gayle_irq;
326 if (address == GCS) {
327 printf("Read Byte From GCS Space 0x%06x\n", 0x1234);
329 v = gayle_cs_mask | gayle_cs;
333 if (address == GINT) {
334 // printf("Read Byte From GINT Space 0x%06x\n",gayle_int);
338 if (address == GCONF) {
339 printf("Read Byte From GCONF Space 0x%06x\n", gayle_cfg & 0x0f);
340 return gayle_cfg & 0x0f;
343 printf("Read Byte From Gayle Space 0x%06x\n", address);
347 uint16_t readGayle(unsigned int address) {
348 if (address == GDATA) {
350 value = ide_read16(ide0, ide_data);
351 // value = (value << 8) | (value >> 8);
355 if ((address & GAYLEMASK) == CLOCKBASE) {
356 if ((address & CLOCKMASK) >= 0x8000) {
357 printf("Word read from CDTV SRAM?\n");
360 return ((get_rtc_byte(address, rtc_type) << 8) | (get_rtc_byte(address + 1, rtc_type)));
363 printf("Read Word From Gayle Space 0x%06x\n", address);
367 uint32_t readGayleL(unsigned int address) {
368 if ((address & GAYLEMASK) == CLOCKBASE) {
369 if ((address & CLOCKMASK) >= 0x8000) {
370 printf("Longword read from CDTV SRAM?\n");
373 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)));
376 printf("Read Long From Gayle Space 0x%06x\n", address);