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 "../shared/rtc.h"
23 #include "../../config_file/config_file.h"
25 #include "gayle-ide/ide.h"
26 #include "amiga-registers.h"
28 //#define GSTATUS 0xda201c
29 //#define GCLOW 0xda2010
30 //#define GDH 0xda2018
35 #define GERROR 0xda2004 // Error
36 #define GSTATUS 0xda201c // Status
38 #define GFEAT 0xda2004 // Write : Feature
39 #define GCMD 0xda201c // Write : Command
41 #define GDATA 0xda2000 // Data
42 #define GSECTCNT 0xda2008 // SectorCount
43 #define GSECTNUM 0xda200c // SectorNumber
44 #define GCYLLOW 0xda2010 // CylinderLow
45 #define GCYLHIGH 0xda2014 // CylinderHigh
46 #define GDEVHEAD 0xda2018 // Device/Head
47 #define GCTRL 0xda3018 // Control
49 #define GIDENT 0xDE1000
52 #define GCS 0xDA8000 // Card Control
53 #define GIRQ 0xDA9000 // IRQ
54 #define GINT 0xDAA000 // Int enable
55 #define GCONF 0xDAB000 // Gayle Config
58 #define GAYLE_CS_IDE 0x80 /* IDE int status */
59 #define GAYLE_CS_CCDET 0x40 /* credit card detect */
60 #define GAYLE_CS_BVD1 0x20 /* battery voltage detect 1 */
61 #define GAYLE_CS_SC 0x20 /* credit card status change */
62 #define GAYLE_CS_BVD2 0x10 /* battery voltage detect 2 */
63 #define GAYLE_CS_DA 0x10 /* digital audio */
64 #define GAYLE_CS_WR 0x08 /* write enable (1 == enabled) */
65 #define GAYLE_CS_BSY 0x04 /* credit card busy */
66 #define GAYLE_CS_IRQ 0x04 /* interrupt request */
67 #define GAYLE_CS_DAEN 0x02 /* enable digital audio */
68 #define GAYLE_CS_DIS 0x01 /* disable PCMCIA slot */
71 #define GAYLE_IRQ_IDE 0x80
72 #define GAYLE_IRQ_CCDET 0x40 /* credit card detect */
73 #define GAYLE_IRQ_BVD1 0x20 /* battery voltage detect 1 */
74 #define GAYLE_IRQ_SC 0x20 /* credit card status change */
75 #define GAYLE_IRQ_BVD2 0x10 /* battery voltage detect 2 */
76 #define GAYLE_IRQ_DA 0x10 /* digital audio */
77 #define GAYLE_IRQ_WR 0x08 /* write enable (1 == enabled) */
78 #define GAYLE_IRQ_BSY 0x04 /* credit card busy */
79 #define GAYLE_IRQ_IRQ 0x04 /* interrupt request */
80 #define GAYLE_IRQ_RESET 0x02 /* reset machine after CCDET change */
81 #define GAYLE_IRQ_BERR 0x01 /* generate bus error after CCDET change */
84 #define GAYLE_INT_IDE 0x80 /* IDE interrupt enable */
85 #define GAYLE_INT_CCDET 0x40 /* credit card detect change enable */
86 #define GAYLE_INT_BVD1 0x20 /* battery voltage detect 1 change enable */
87 #define GAYLE_INT_SC 0x20 /* credit card status change enable */
88 #define GAYLE_INT_BVD2 0x10 /* battery voltage detect 2 change enable */
89 #define GAYLE_INT_DA 0x10 /* digital audio change enable */
90 #define GAYLE_INT_WR 0x08 /* write enable change enabled */
91 #define GAYLE_INT_BSY 0x04 /* credit card busy */
92 #define GAYLE_INT_IRQ 0x04 /* credit card interrupt request */
93 #define GAYLE_INT_BVD_LEV 0x02 /* BVD int level, 0=lev2,1=lev6 */
94 #define GAYLE_INT_BSY_LEV 0x01 /* BSY int level, 0=lev2,1=lev6 */
96 #define GAYLE_MAX_HARDFILES 8
99 static uint8_t gayle_irq, gayle_int, gayle_cs, gayle_cs_mask, gayle_cfg;
100 static struct ide_controller *ide0;
103 uint8_t rtc_type = RTC_TYPE_RICOH;
105 char *hdd_image_file[GAYLE_MAX_HARDFILES];
107 uint8_t cdtv_mode = 0;
108 unsigned char cdtv_sram[32 * SIZE_KILO];
110 void set_hard_drive_image_file_amiga(uint8_t index, char *filename) {
111 if (hdd_image_file[index] != NULL)
112 free(hdd_image_file[index]);
113 hdd_image_file[index] = calloc(1, strlen(filename) + 1);
114 strcpy(hdd_image_file[index], filename);
117 void InitGayle(void) {
118 if (!hdd_image_file[0]) {
119 hdd_image_file[0] = calloc(1, 64);
120 sprintf(hdd_image_file[0], "hd0.img");
123 ide0 = ide_allocate("cf");
124 fd = open(hdd_image_file[0], O_RDWR);
126 printf("HDD Image %s failed open\n", hdd_image_file[0]);
128 ide_attach(ide0, 0, fd);
129 ide_reset_begin(ide0);
130 printf("HDD Image %s attached\n", hdd_image_file[0]);
134 uint8_t CheckIrq(void) {
137 if (gayle_int & (1 << 7)) {
138 irq = ide0->drive->intrq;
140 // printf("IDE IRQ: %x\n",irq);
146 void writeGayleB(unsigned int address, unsigned int value) {
147 if (address == GFEAT) {
148 ide_write8(ide0, ide_feature_w, value);
151 if (address == GCMD) {
152 ide_write8(ide0, ide_command_w, value);
155 if (address == GSECTCNT) {
156 ide_write8(ide0, ide_sec_count, value);
159 if (address == GSECTNUM) {
160 ide_write8(ide0, ide_sec_num, value);
163 if (address == GCYLLOW) {
164 ide_write8(ide0, ide_cyl_low, value);
167 if (address == GCYLHIGH) {
168 ide_write8(ide0, ide_cyl_hi, value);
171 if (address == GDEVHEAD) {
172 ide_write8(ide0, ide_dev_head, value);
175 if (address == GCTRL) {
176 ide_write8(ide0, ide_devctrl_w, value);
180 if (address == GIDENT) {
182 // printf("Write Byte to Gayle Ident 0x%06x (0x%06x)\n",address,value);
186 if (address == GIRQ) {
187 // printf("Write Byte to Gayle GIRQ 0x%06x (0x%06x)\n",address,value);
188 gayle_irq = (gayle_irq & value) | (value & (GAYLE_IRQ_RESET | GAYLE_IRQ_BERR));
193 if (address == GCS) {
194 printf("Write Byte to Gayle GCS 0x%06x (0x%06x)\n", address, value);
195 gayle_cs_mask = value & ~3;
197 gayle_cs |= value & 3;
201 if (address == GINT) {
202 printf("Write Byte to Gayle GINT 0x%06x (0x%06x)\n", address, value);
207 if (address == GCONF) {
208 printf("Write Byte to Gayle GCONF 0x%06x (0x%06x)\n", address, value);
213 if ((address & GAYLEMASK) == CLOCKBASE) {
214 if ((address & CLOCKMASK) >= 0x8000) {
216 cdtv_sram[(address & CLOCKMASK) - 0x8000] = value;
220 put_rtc_byte(address, value, rtc_type);
224 printf("Write Byte to Gayle Space 0x%06x (0x%06x)\n", address, value);
227 void writeGayle(unsigned int address, unsigned int value) {
228 if (address == GDATA) {
229 ide_write16(ide0, ide_data, value);
233 if ((address & GAYLEMASK) == CLOCKBASE) {
234 if ((address & CLOCKMASK) >= 0x8000) {
236 ((short *) ((size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000)))[0] = htobe16(value);
240 printf("Word write to RTC.\n");
241 put_rtc_byte(address, (value & 0xFF), rtc_type);
242 put_rtc_byte(address + 1, (value >> 8), rtc_type);
246 printf("Write Word to Gayle Space 0x%06x (0x%06x)\n", address, value);
249 void writeGayleL(unsigned int address, unsigned int value) {
250 if ((address & GAYLEMASK) == CLOCKBASE) {
251 if ((address & CLOCKMASK) >= 0x8000) {
253 ((int *) (size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000))[0] = htobe32(value);
257 printf("Longword write to RTC.\n");
258 put_rtc_byte(address, (value & 0xFF), rtc_type);
259 put_rtc_byte(address + 1, ((value & 0x0000FF00) >> 8), rtc_type);
260 put_rtc_byte(address + 2, ((value & 0x00FF0000) >> 16), rtc_type);
261 put_rtc_byte(address + 3, (value >> 24), rtc_type);
265 printf("Write Long to Gayle Space 0x%06x (0x%06x)\n", address, value);
268 uint8_t readGayleB(unsigned int address) {
269 if (address == GERROR) {
270 return ide_read8(ide0, ide_error_r);
272 if (address == GSTATUS) {
273 return ide_read8(ide0, ide_status_r);
276 if (address == GSECTCNT) {
277 return ide_read8(ide0, ide_sec_count);
280 if (address == GSECTNUM) {
281 return ide_read8(ide0, ide_sec_num);
284 if (address == GCYLLOW) {
285 return ide_read8(ide0, ide_cyl_low);
288 if (address == GCYLHIGH) {
289 return ide_read8(ide0, ide_cyl_hi);
292 if (address == GDEVHEAD) {
293 return ide_read8(ide0, ide_dev_head);
296 if (address == GCTRL) {
297 return ide_read8(ide0, ide_altst_r);
300 if ((address & GAYLEMASK) == CLOCKBASE) {
301 if ((address & CLOCKMASK) >= 0x8000) {
303 return cdtv_sram[(address & CLOCKMASK) - 0x8000];
307 return get_rtc_byte(address, rtc_type);
310 if (address == GIDENT) {
312 // printf("Read Byte from Gayle Ident 0x%06x (0x%06x)\n",address,counter);
313 if (counter == 0 || counter == 1 || counter == 3) {
314 val = 0x80; // 80; to enable gayle
322 if (address == GIRQ) {
323 // printf("Read Byte From GIRQ Space 0x%06x\n",gayle_irq);
325 return 0x80;//gayle_irq;
328 irq = ide0->drive->intrq;
331 // printf("IDE IRQ: %x\n",irq);
332 return 0x80; // gayle_irq;
339 if (address == GCS) {
340 printf("Read Byte From GCS Space 0x%06x\n", 0x1234);
342 v = gayle_cs_mask | gayle_cs;
346 if (address == GINT) {
347 // printf("Read Byte From GINT Space 0x%06x\n",gayle_int);
351 if (address == GCONF) {
352 printf("Read Byte From GCONF Space 0x%06x\n", gayle_cfg & 0x0f);
353 return gayle_cfg & 0x0f;
356 printf("Read Byte From Gayle Space 0x%06x\n", address);
360 uint16_t readGayle(unsigned int address) {
361 if (address == GDATA) {
363 value = ide_read16(ide0, ide_data);
364 // value = (value << 8) | (value >> 8);
368 if ((address & GAYLEMASK) == CLOCKBASE) {
369 if ((address & CLOCKMASK) >= 0x8000) {
372 return be16toh( (( unsigned short *) (size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000))[0]);
376 return ((get_rtc_byte(address, rtc_type) << 8) | (get_rtc_byte(address + 1, rtc_type)));
379 printf("Read Word From Gayle Space 0x%06x\n", address);
383 uint32_t readGayleL(unsigned int address) {
384 if ((address & GAYLEMASK) == CLOCKBASE) {
385 if ((address & CLOCKMASK) >= 0x8000) {
387 return be32toh( (( unsigned short *) (size_t)(cdtv_sram + (address & CLOCKMASK) - 0x8000))[0]);
391 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)));
394 printf("Read Long From Gayle Space 0x%06x\n", address);