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Improve timeout management logic.

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This commit is contained in:
Matthieu Bucchianeri
2025-02-10 18:44:42 -08:00
parent 6fd29c313d
commit a1a46d803e
7 changed files with 138 additions and 134 deletions
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11
XTMax/Code/XTMax/XTMax.ino
View File

@@ -172,7 +172,7 @@
#define EMS_TOTAL_SIZE (16*1024*1024)
#define SD_BASE 0x280 // Must be a multiple of 8.
#define SD_BASE 0x280 // Must be a multiple of 16.
// --------------------------------------------------------------------------------------------------
@@ -198,6 +198,8 @@ uint8_t sd_spi_datain =0;
uint32_t sd_spi_cs_n = 0x0;
uint32_t sd_spi_dataout =0;
uint8_t sd_scratch_register[5] = {0, 0, 0, 0, 0};
uint16_t sd_requested_timeout = 0;
elapsedMillis sd_timeout;
uint8_t XTMax_MEM_Response_Array[16];
@@ -676,7 +678,7 @@ inline void IO_Read_Cycle() {
}
else if ((isa_address&0x0FF8)==SD_BASE ) { // Location of SD Card registers
else if ((isa_address&0x0FF0)==SD_BASE ) { // Location of SD Card registers
switch (isa_address) {
case SD_BASE: // First two registers serve the same function (to allow use of Word I/O)
@@ -687,6 +689,8 @@ inline void IO_Read_Cycle() {
case SD_BASE+5: isa_data_out = sd_scratch_register[2]; break;
case SD_BASE+6: isa_data_out = sd_scratch_register[3]; break;
case SD_BASE+7: isa_data_out = sd_scratch_register[4]; break;
case SD_BASE+15: isa_data_out = sd_timeout >= sd_requested_timeout; break;
default: isa_data_out = 0xff; break;
}
GPIO7_DR = GPIO7_DATA_OUT_UNSCRAMBLE + MUX_ADDR_n_LOW + CHRDY_OUT_LOW + trigger_out;
@@ -735,7 +739,7 @@ inline void IO_Write_Cycle() {
}
else if ((isa_address&0x0FF8)==SD_BASE ) { // Location of SD Card registers
else if ((isa_address&0x0FF0)==SD_BASE ) { // Location of SD Card registers
GPIO7_DR = GPIO7_DATA_OUT_UNSCRAMBLE + MUX_ADDR_n_HIGH + CHRDY_OUT_LOW + trigger_out;
GPIO8_DR = sd_pin_outputs + MUX_DATA_n_LOW + CHRDY_OE_n_HIGH + DATA_OE_n_HIGH;
@@ -752,6 +756,7 @@ inline void IO_Write_Cycle() {
case SD_BASE+5: sd_scratch_register[2] = data_in; break;
case SD_BASE+6: sd_scratch_register[3] = data_in; break;
case SD_BASE+7: sd_scratch_register[4] = data_in; break;
case SD_BASE+15: sd_timeout = 0; sd_requested_timeout = data_in * 10; break;
}
//gpio9_int = GPIO9_DR;

178
XTMax/Code/XTMax/bootrom.h
View File

@@ -1,18 +1,18 @@
#define BOOTROM_ADDR 0xCE000
unsigned char BOOTROM[] = {
85, 170, 4, 6, 80, 82, 250, 184, 17, 229, 232, 127, 4, 232, 135, 3,
85, 170, 4, 6, 80, 82, 250, 184, 29, 229, 232, 139, 4, 232, 161, 3,
115, 3, 233, 186, 0, 84, 88, 57, 224, 116, 33, 62, 161, 255, 255, 62,
199, 6, 255, 255, 170, 170, 62, 128, 62, 0, 0, 170, 62, 163, 255, 255,
117, 10, 80, 48, 192, 176, 64, 246, 224, 88, 117, 10, 178, 1, 184, 83,
229, 232, 72, 4, 235, 2, 48, 210, 184, 131, 2, 146, 238, 184, 120, 229,
232, 57, 4, 49, 192, 142, 192, 38, 161, 78, 0, 186, 132, 2, 239, 232,
72, 4, 184, 35, 230, 232, 36, 4, 38, 161, 76, 0, 186, 134, 2, 239,
232, 55, 4, 184, 39, 230, 232, 19, 4, 184, 141, 229, 232, 13, 4, 184,
0, 192, 38, 163, 78, 0, 232, 33, 4, 184, 35, 230, 232, 253, 3, 184,
212, 224, 38, 163, 76, 0, 232, 17, 4, 184, 39, 230, 232, 237, 3, 184,
162, 229, 232, 231, 3, 184, 0, 192, 38, 163, 6, 1, 232, 251, 3, 184,
35, 230, 232, 215, 3, 184, 136, 225, 38, 163, 4, 1, 232, 235, 3, 184,
39, 230, 232, 199, 3, 184, 64, 0, 142, 192, 38, 254, 6, 117, 0, 251,
117, 10, 80, 48, 192, 176, 64, 246, 224, 88, 117, 10, 178, 1, 184, 95,
229, 232, 84, 4, 235, 2, 48, 210, 184, 131, 2, 146, 238, 184, 132, 229,
232, 69, 4, 49, 192, 142, 192, 38, 161, 78, 0, 186, 132, 2, 239, 232,
84, 4, 184, 47, 230, 232, 48, 4, 38, 161, 76, 0, 186, 134, 2, 239,
232, 67, 4, 184, 51, 230, 232, 31, 4, 184, 153, 229, 232, 25, 4, 184,
0, 192, 38, 163, 78, 0, 232, 45, 4, 184, 47, 230, 232, 9, 4, 184,
212, 224, 38, 163, 76, 0, 232, 29, 4, 184, 51, 230, 232, 249, 3, 184,
174, 229, 232, 243, 3, 184, 0, 192, 38, 163, 6, 1, 232, 7, 4, 184,
47, 230, 232, 227, 3, 184, 136, 225, 38, 163, 4, 1, 232, 247, 3, 184,
51, 230, 232, 211, 3, 184, 64, 0, 142, 192, 38, 254, 6, 117, 0, 251,
90, 88, 7, 203, 85, 86, 128, 250, 128, 116, 26, 137, 197, 137, 214, 156,
14, 184, 47, 225, 80, 156, 186, 132, 2, 237, 80, 186, 134, 2, 237, 80,
137, 232, 137, 242, 207, 128, 252, 21, 126, 5, 232, 113, 0, 235, 34, 128,
@@ -20,85 +20,86 @@ unsigned char BOOTROM[] = {
225, 86, 137, 222, 136, 227, 48, 255, 208, 227, 135, 222, 46, 255, 164, 66,
225, 140, 197, 190, 64, 0, 142, 198, 38, 136, 38, 116, 0, 142, 197, 137,
229, 139, 118, 8, 86, 115, 4, 157, 249, 235, 2, 157, 248, 94, 93, 202,
2, 0, 43, 227, 152, 225, 172, 225, 61, 226, 236, 226, 110, 225, 110, 225,
110, 225, 7, 227, 43, 227, 110, 225, 110, 225, 29, 227, 43, 227, 110, 225,
110, 225, 43, 227, 43, 227, 110, 225, 110, 225, 43, 227, 45, 227, 80, 184,
6, 230, 232, 23, 3, 88, 80, 136, 224, 48, 228, 232, 44, 3, 184, 39,
230, 232, 8, 3, 88, 233, 178, 1, 0, 4, 255, 0, 0, 255, 255, 0,
2, 0, 69, 227, 152, 225, 172, 225, 67, 226, 6, 227, 110, 225, 110, 225,
110, 225, 33, 227, 69, 227, 110, 225, 110, 225, 55, 227, 69, 227, 110, 225,
110, 225, 69, 227, 69, 227, 110, 225, 110, 225, 69, 227, 71, 227, 80, 184,
18, 230, 232, 35, 3, 88, 80, 136, 224, 48, 228, 232, 56, 3, 184, 51,
230, 232, 20, 3, 88, 233, 204, 1, 0, 4, 255, 0, 0, 255, 255, 0,
200, 0, 0, 0, 0, 0, 63, 0, 6, 189, 64, 0, 142, 197, 48, 228,
38, 134, 38, 116, 0, 132, 228, 116, 1, 249, 7, 195, 132, 192, 117, 3,
233, 135, 1, 80, 48, 228, 137, 198, 83, 232, 138, 1, 137, 197, 1, 240,
137, 222, 131, 211, 0, 232, 177, 1, 91, 88, 115, 3, 233, 111, 1, 83,
233, 161, 1, 80, 48, 228, 137, 198, 83, 232, 164, 1, 137, 197, 1, 240,
137, 222, 131, 211, 0, 232, 203, 1, 91, 88, 115, 3, 233, 137, 1, 83,
81, 82, 87, 80, 137, 193, 48, 237, 137, 223, 186, 130, 2, 176, 0, 238,
81, 137, 232, 137, 243, 177, 81, 232, 113, 2, 114, 64, 186, 128, 2, 185,
80, 195, 235, 3, 232, 135, 2, 236, 60, 254, 224, 248, 117, 46, 185, 0,
1, 82, 186, 131, 2, 236, 90, 132, 192, 252, 116, 4, 243, 109, 235, 4,
237, 171, 226, 252, 237, 131, 197, 1, 131, 214, 0, 89, 226, 194, 186, 130,
2, 176, 1, 238, 88, 95, 90, 89, 91, 233, 22, 1, 186, 130, 2, 176,
1, 238, 89, 88, 40, 200, 95, 90, 89, 91, 233, 249, 0, 132, 192, 117,
3, 233, 246, 0, 80, 48, 228, 137, 198, 83, 232, 249, 0, 137, 197, 1,
240, 137, 222, 131, 211, 0, 232, 32, 1, 91, 88, 115, 3, 233, 222, 0,
30, 83, 81, 82, 87, 80, 137, 193, 48, 237, 137, 223, 140, 192, 142, 216,
186, 130, 2, 176, 0, 238, 81, 137, 232, 137, 243, 177, 88, 232, 219, 1,
114, 89, 186, 128, 2, 176, 254, 238, 185, 0, 1, 135, 247, 82, 186, 131,
2, 236, 90, 132, 192, 252, 116, 4, 243, 111, 235, 4, 173, 239, 226, 252,
135, 254, 185, 80, 195, 235, 3, 232, 212, 1, 236, 60, 255, 225, 248, 36,
31, 60, 5, 117, 38, 185, 80, 195, 235, 3, 232, 193, 1, 236, 132, 192,
225, 248, 116, 23, 131, 197, 1, 131, 214, 0, 89, 226, 169, 186, 130, 2,
176, 1, 238, 88, 95, 90, 89, 91, 31, 235, 103, 186, 130, 2, 176, 1,
238, 89, 88, 40, 200, 95, 90, 89, 91, 31, 235, 74, 132, 192, 116, 74,
80, 48, 228, 137, 197, 83, 232, 77, 0, 1, 232, 131, 211, 0, 232, 120,
0, 91, 88, 114, 57, 235, 59, 182, 254, 6, 184, 64, 0, 142, 192, 38,
138, 22, 117, 0, 7, 181, 254, 177, 255, 49, 192, 248, 195, 80, 83, 232,
36, 0, 232, 84, 0, 91, 88, 114, 21, 235, 23, 235, 21, 180, 3, 232,
94, 0, 135, 209, 248, 195, 180, 170, 249, 195, 180, 1, 249, 195, 180, 4,
249, 195, 48, 228, 248, 195, 49, 192, 49, 219, 82, 81, 82, 136, 200, 36,
192, 209, 224, 209, 224, 136, 232, 185, 255, 0, 247, 225, 90, 136, 241, 48,
237, 1, 200, 177, 63, 247, 225, 89, 81, 48, 237, 128, 225, 63, 73, 1,
200, 131, 210, 0, 137, 211, 89, 90, 195, 81, 82, 232, 18, 0, 57, 211,
114, 10, 119, 4, 57, 200, 114, 4, 249, 90, 89, 195, 248, 90, 89, 195,
186, 250, 0, 185, 63, 197, 195, 80, 30, 83, 81, 82, 86, 184, 0, 192,
142, 216, 186, 130, 2, 176, 1, 238, 49, 201, 186, 232, 3, 180, 134, 205,
21, 186, 128, 2, 176, 255, 185, 80, 0, 238, 226, 253, 186, 130, 2, 176,
0, 238, 190, 67, 228, 185, 1, 0, 180, 1, 232, 79, 0, 114, 54, 190,
73, 228, 185, 5, 0, 180, 1, 232, 66, 0, 114, 41, 187, 100, 0, 190,
79, 228, 185, 1, 0, 180, 1, 232, 50, 0, 190, 85, 228, 185, 1, 0,
180, 0, 232, 39, 0, 115, 14, 156, 49, 201, 186, 232, 3, 180, 134, 205,
21, 157, 75, 117, 218, 94, 90, 89, 91, 31, 114, 8, 184, 196, 229, 232,
122, 0, 88, 195, 184, 231, 229, 232, 114, 0, 88, 195, 186, 128, 2, 176,
255, 238, 81, 185, 6, 0, 252, 172, 238, 226, 252, 185, 8, 0, 236, 60,
255, 225, 251, 89, 56, 224, 118, 3, 249, 235, 4, 248, 236, 226, 253, 176,
255, 238, 195, 64, 0, 0, 0, 0, 149, 72, 0, 0, 1, 170, 135, 119,
0, 0, 0, 0, 1, 105, 64, 0, 0, 0, 1, 186, 128, 2, 80, 176,
255, 238, 136, 200, 136, 252, 239, 88, 134, 216, 239, 134, 216, 180, 1, 239,
185, 8, 0, 236, 60, 255, 225, 251, 132, 192, 116, 1, 249, 195, 81, 82,
49, 201, 186, 1, 0, 180, 134, 205, 21, 90, 89, 195, 156, 30, 83, 86,
137, 198, 184, 0, 192, 142, 216, 180, 14, 49, 219, 252, 172, 8, 192, 116,
4, 205, 16, 235, 247, 94, 91, 31, 157, 195, 156, 30, 83, 81, 82, 86,
137, 194, 184, 0, 192, 142, 216, 49, 219, 252, 137, 214, 177, 12, 211, 238,
131, 230, 15, 138, 132, 1, 229, 180, 14, 205, 16, 137, 214, 177, 8, 211,
238, 131, 230, 15, 138, 132, 1, 229, 180, 14, 205, 16, 137, 214, 177, 4,
211, 238, 131, 230, 15, 138, 132, 1, 229, 180, 14, 205, 16, 137, 214, 131,
230, 15, 138, 132, 1, 229, 180, 14, 205, 16, 94, 90, 89, 91, 31, 157,
195, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 65, 66, 67, 68, 69,
70, 66, 111, 111, 116, 82, 79, 77, 32, 102, 111, 114, 32, 88, 84, 77,
97, 120, 32, 118, 49, 46, 48, 13, 10, 67, 111, 112, 121, 114, 105, 103,
104, 116, 32, 40, 99, 41, 32, 50, 48, 50, 53, 32, 77, 97, 116, 116,
104, 105, 101, 117, 32, 66, 117, 99, 99, 104, 105, 97, 110, 101, 114, 105,
13, 10, 0, 67, 80, 85, 32, 115, 117, 112, 112, 111, 114, 116, 115, 32,
73, 78, 83, 47, 79, 85, 84, 83, 32, 105, 110, 115, 116, 114, 117, 99,
116, 105, 111, 110, 115, 13, 10, 0, 79, 108, 100, 32, 73, 78, 84, 49,
51, 104, 32, 86, 101, 99, 116, 111, 114, 32, 61, 32, 0, 78, 101, 119,
32, 73, 78, 84, 49, 51, 104, 32, 86, 101, 99, 116, 111, 114, 32, 61,
32, 0, 78, 101, 119, 32, 70, 105, 120, 101, 100, 32, 68, 105, 115, 107,
32, 80, 97, 114, 97, 109, 101, 116, 101, 114, 32, 84, 97, 98, 108, 101,
32, 61, 32, 0, 83, 68, 32, 67, 97, 114, 100, 32, 105, 110, 105, 116,
105, 97, 108, 105, 122, 101, 100, 32, 115, 117, 99, 99, 101, 115, 115, 102,
117, 108, 108, 121, 13, 10, 0, 83, 68, 32, 67, 97, 114, 100, 32, 102,
97, 105, 108, 101, 100, 32, 116, 111, 32, 105, 110, 105, 116, 105, 97, 108,
105, 122, 101, 13, 10, 0, 85, 110, 115, 117, 112, 112, 111, 114, 116, 101,
100, 32, 73, 78, 84, 49, 51, 104, 32, 70, 117, 110, 99, 116, 105, 111,
110, 32, 0, 58, 0, 32, 0, 13, 10, 0, 0, 0, 0, 0, 0, 0,
81, 137, 232, 137, 243, 177, 81, 232, 139, 2, 114, 70, 186, 143, 2, 176,
10, 238, 186, 128, 2, 236, 60, 254, 116, 10, 186, 143, 2, 236, 132, 192,
117, 48, 235, 238, 185, 0, 1, 82, 186, 131, 2, 236, 90, 132, 192, 252,
116, 4, 243, 109, 235, 4, 237, 171, 226, 252, 237, 131, 197, 1, 131, 214,
0, 89, 226, 188, 186, 130, 2, 176, 1, 238, 88, 95, 90, 89, 91, 233,
42, 1, 186, 130, 2, 176, 1, 238, 89, 88, 40, 200, 95, 90, 89, 91,
233, 13, 1, 132, 192, 117, 3, 233, 10, 1, 80, 48, 228, 137, 198, 83,
232, 13, 1, 137, 197, 1, 240, 137, 222, 131, 211, 0, 232, 52, 1, 91,
88, 115, 3, 233, 242, 0, 30, 83, 81, 82, 87, 80, 137, 193, 48, 237,
137, 223, 140, 192, 142, 216, 186, 130, 2, 176, 0, 238, 81, 137, 232, 137,
243, 177, 88, 232, 239, 1, 114, 109, 186, 128, 2, 176, 254, 238, 185, 0,
1, 135, 247, 82, 186, 131, 2, 236, 90, 132, 192, 252, 116, 4, 243, 111,
235, 4, 173, 239, 226, 252, 135, 254, 186, 143, 2, 176, 25, 238, 186, 128,
2, 236, 60, 255, 117, 10, 186, 143, 2, 236, 132, 192, 117, 55, 235, 238,
36, 31, 60, 5, 117, 47, 186, 143, 2, 176, 25, 238, 186, 128, 2, 236,
132, 192, 117, 10, 186, 143, 2, 236, 132, 192, 117, 25, 235, 238, 131, 197,
1, 131, 214, 0, 89, 226, 149, 186, 130, 2, 176, 1, 238, 88, 95, 90,
89, 91, 31, 235, 103, 186, 130, 2, 176, 1, 238, 89, 88, 40, 200, 95,
90, 89, 91, 31, 235, 74, 132, 192, 116, 74, 80, 48, 228, 137, 197, 83,
232, 77, 0, 1, 232, 131, 211, 0, 232, 120, 0, 91, 88, 114, 57, 235,
59, 182, 254, 6, 184, 64, 0, 142, 192, 38, 138, 22, 117, 0, 7, 181,
254, 177, 255, 49, 192, 248, 195, 80, 83, 232, 36, 0, 232, 84, 0, 91,
88, 114, 21, 235, 23, 235, 21, 180, 3, 232, 94, 0, 135, 209, 248, 195,
180, 170, 249, 195, 180, 1, 249, 195, 180, 4, 249, 195, 48, 228, 248, 195,
49, 192, 49, 219, 82, 81, 82, 136, 200, 36, 192, 209, 224, 209, 224, 136,
232, 185, 255, 0, 247, 225, 90, 136, 241, 48, 237, 1, 200, 177, 63, 247,
225, 89, 81, 48, 237, 128, 225, 63, 73, 1, 200, 131, 210, 0, 137, 211,
89, 90, 195, 81, 82, 232, 18, 0, 57, 211, 114, 10, 119, 4, 57, 200,
114, 4, 249, 90, 89, 195, 248, 90, 89, 195, 186, 250, 0, 185, 63, 197,
195, 80, 30, 83, 81, 82, 86, 184, 0, 192, 142, 216, 186, 130, 2, 176,
1, 238, 49, 201, 186, 232, 3, 180, 134, 205, 21, 186, 128, 2, 176, 255,
185, 80, 0, 238, 226, 253, 186, 130, 2, 176, 0, 238, 190, 93, 228, 185,
1, 0, 180, 1, 232, 79, 0, 114, 54, 190, 99, 228, 185, 5, 0, 180,
1, 232, 66, 0, 114, 41, 187, 100, 0, 190, 105, 228, 185, 1, 0, 180,
1, 232, 50, 0, 190, 111, 228, 185, 1, 0, 180, 0, 232, 39, 0, 115,
14, 156, 49, 201, 186, 232, 3, 180, 134, 205, 21, 157, 75, 117, 218, 94,
90, 89, 91, 31, 114, 8, 184, 208, 229, 232, 108, 0, 88, 195, 184, 243,
229, 232, 100, 0, 88, 195, 186, 128, 2, 176, 255, 238, 81, 185, 6, 0,
252, 172, 238, 226, 252, 185, 8, 0, 236, 60, 255, 225, 251, 89, 56, 224,
118, 3, 249, 235, 4, 248, 236, 226, 253, 176, 255, 238, 195, 64, 0, 0,
0, 0, 149, 72, 0, 0, 1, 170, 135, 119, 0, 0, 0, 0, 1, 105,
64, 0, 0, 0, 1, 186, 128, 2, 80, 176, 255, 238, 136, 200, 136, 252,
239, 88, 134, 216, 239, 134, 216, 180, 1, 239, 185, 8, 0, 236, 60, 255,
225, 251, 132, 192, 116, 1, 249, 195, 156, 30, 83, 86, 137, 198, 184, 0,
192, 142, 216, 180, 14, 49, 219, 252, 172, 8, 192, 116, 4, 205, 16, 235,
247, 94, 91, 31, 157, 195, 156, 30, 83, 81, 82, 86, 137, 194, 184, 0,
192, 142, 216, 49, 219, 252, 137, 214, 177, 12, 211, 238, 131, 230, 15, 138,
132, 13, 229, 180, 14, 205, 16, 137, 214, 177, 8, 211, 238, 131, 230, 15,
138, 132, 13, 229, 180, 14, 205, 16, 137, 214, 177, 4, 211, 238, 131, 230,
15, 138, 132, 13, 229, 180, 14, 205, 16, 137, 214, 131, 230, 15, 138, 132,
13, 229, 180, 14, 205, 16, 94, 90, 89, 91, 31, 157, 195, 48, 49, 50,
51, 52, 53, 54, 55, 56, 57, 65, 66, 67, 68, 69, 70, 66, 111, 111,
116, 82, 79, 77, 32, 102, 111, 114, 32, 88, 84, 77, 97, 120, 32, 118,
49, 46, 48, 13, 10, 67, 111, 112, 121, 114, 105, 103, 104, 116, 32, 40,
99, 41, 32, 50, 48, 50, 53, 32, 77, 97, 116, 116, 104, 105, 101, 117,
32, 66, 117, 99, 99, 104, 105, 97, 110, 101, 114, 105, 13, 10, 0, 67,
80, 85, 32, 115, 117, 112, 112, 111, 114, 116, 115, 32, 73, 78, 83, 47,
79, 85, 84, 83, 32, 105, 110, 115, 116, 114, 117, 99, 116, 105, 111, 110,
115, 13, 10, 0, 79, 108, 100, 32, 73, 78, 84, 49, 51, 104, 32, 86,
101, 99, 116, 111, 114, 32, 61, 32, 0, 78, 101, 119, 32, 73, 78, 84,
49, 51, 104, 32, 86, 101, 99, 116, 111, 114, 32, 61, 32, 0, 78, 101,
119, 32, 70, 105, 120, 101, 100, 32, 68, 105, 115, 107, 32, 80, 97, 114,
97, 109, 101, 116, 101, 114, 32, 84, 97, 98, 108, 101, 32, 61, 32, 0,
83, 68, 32, 67, 97, 114, 100, 32, 105, 110, 105, 116, 105, 97, 108, 105,
122, 101, 100, 32, 115, 117, 99, 99, 101, 115, 115, 102, 117, 108, 108, 121,
13, 10, 0, 83, 68, 32, 67, 97, 114, 100, 32, 102, 97, 105, 108, 101,
100, 32, 116, 111, 32, 105, 110, 105, 116, 105, 97, 108, 105, 122, 101, 13,
10, 0, 85, 110, 115, 117, 112, 112, 111, 114, 116, 101, 100, 32, 73, 78,
84, 49, 51, 104, 32, 70, 117, 110, 99, 116, 105, 111, 110, 32, 0, 58,
0, 32, 0, 13, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -126,5 +127,4 @@ unsigned char BOOTROM[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 104};

66
XTMax/Drivers/BootROM/bootrom.asm
View File

@@ -473,16 +473,20 @@ func_02_read_sector:
mov ax, wait_msg
call print_string
%endif
mov dx, XTMAX_IO_BASE+0 ; data port
mov cx, 50000 ; timeout (50ms)
jmp .receive_token_no_delay
mov dx, XTMAX_IO_BASE+15; timeout port
mov al, 10 ; 100 ms
out dx, al
.receive_token:
call delay_us
.receive_token_no_delay:
mov dx, XTMAX_IO_BASE+0 ; data port
in al, dx
cmp al, 0xfe
loopne .receive_token
jne .error
je .got_token
mov dx, XTMAX_IO_BASE+15; timeout port
in al, dx
test al, al
jnz .error
jmp .receive_token
.got_token:
%ifdef DEBUG_IO
mov ax, sd_token_msg
call print_string
@@ -625,14 +629,20 @@ cpu 8086
mov ax, wait_msg
call print_string
%endif
mov cx, 50000 ; timeout (50ms)
jmp .receive_status_no_delay
mov dx, XTMAX_IO_BASE+15; timeout port
mov al, 25 ; 250 ms
out dx, al
.receive_status:
call delay_us
.receive_status_no_delay:
mov dx, XTMAX_IO_BASE+0 ; data port
in al, dx
cmp al, 0xff
loope .receive_status
jne .got_status
mov dx, XTMAX_IO_BASE+15; timeout port
in al, dx
test al, al
jnz .error
jmp .receive_status
.got_status:
%ifdef DEBUG_IO
push ax
mov ax, sd_status_msg
@@ -652,15 +662,20 @@ cpu 8086
mov ax, wait_msg
call print_string
%endif
mov cx, 50000 ; timeout (50ms)
jmp .receive_finish_no_delay
mov dx, XTMAX_IO_BASE+15; timeout port
mov al, 25 ; 250 ms
out dx, al
.receive_finish:
call delay_us
.receive_finish_no_delay:
mov dx, XTMAX_IO_BASE+0 ; data port
in al, dx
test al, al
loope .receive_finish
jz .error
jnz .got_finish
mov dx, XTMAX_IO_BASE+15; timeout port
in al, dx
test al, al
jnz .error
jmp .receive_finish
.got_finish:
%ifdef DEBUG_IO
mov ax, sd_idle_msg
call print_string
@@ -1118,21 +1133,6 @@ send_sd_read_write_cmd:
; General utilities
;
;
; Wait 1 microseconds.
; out: AX = <TRASH>
; FL = <TRASH>
delay_us:
push cx
push dx
xor cx, cx
mov dx, 1 ; microseconds
mov ah, 0x86 ; wait
int 0x15
pop dx
pop cx
ret
%include "utils.inc"
%ifdef DEBUG

2
XTMax/Drivers/SDPP/HEADER.ASM
View File

@@ -129,7 +129,7 @@ _header DD -1 ; link to the next device
DW DGROUP:STRATEGY ; address of the strategy routine
DW DGROUP:INTERRUPT; " " " interrupt "
DB 1 ; number of drives
DB 'SDCDv12' ; DOS doesn't really use these bytes
DB 'SDCDv13' ; DOS doesn't really use these bytes
; The geometry (sectors/track, tracks/cylinder) defined in the BPB is rather
; arbitrary in the case of the TU58, but there are things to watch out for.

15
XTMax/Drivers/SDPP/SDMM.C
View File

@@ -254,14 +254,13 @@ int wait_ready (void) /* 1:OK, 0:Timeout */
BYTE d;
UINT tmr;
for (tmr = 5000; tmr; tmr--) { /* Wait for ready in timeout of 500ms */
outp(DATAPORT+15, 50);
do { /* Wait for ready in timeout of 500ms */
d = inp(DATAPORT);
if (d == 0xFF) break;
dly_us(100);
}
} while(!inp(DATAPORT+15));
return tmr ? 1 : 0;
return d == 0xFF;
}
@@ -310,11 +309,11 @@ int rcvr_datablock ( /* 1:OK, 0:Failed */
UINT tmr;
for (tmr = 1000; tmr; tmr--) { /* Wait for data packet in timeout of 100ms */
outp(DATAPORT+15, 10);
do { /* Wait for data packet in timeout of 100ms */
d = inp(DATAPORT);
if (d != 0xFF) break;
dly_us(100);
}
} while(!inp(DATAPORT+15));
if (d != 0xFE) {
return 0; /* If not valid data token, return with error */
}

BIN
XTMax/Drivers/XTSD.SYS
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BIN
XTMax/Drivers/XTSD186.SYS
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