core: make the TI-82AEP use pre-A rev.

Author: adriweb

core/asic.c

@@ -104,8 +104,8 @@ static asic_rev_t report_reset(asic_rev_t loaded_rev, emu_device_t device, bool*
             }
         }
 
-        /* By default, ignore Python Edition in certificate if boot code is too old */
-        if (loaded_rev == ASIC_REV_AUTO && default_rev < ASIC_REV_M) {
+        /* By default, ignore Python Edition in certificate if boot code is too old, unless 82AEP */
+        if (loaded_rev == ASIC_REV_AUTO && default_rev < ASIC_REV_M && device != TI82AEP) {
             *python = false;
         }
     }
@@ -121,9 +121,15 @@ static asic_rev_t report_reset(asic_rev_t loaded_rev, emu_device_t device, bool*
 }
 
 static void set_features() {
-    asic.im2 = (asic.revision < ASIC_REV_I);
-    asic.serFlash = (asic.revision >= ASIC_REV_M);
-    asic.hasWorkingSPIReads = (asic.device == TI82AEP);
+    if (asic.device == TI82AEP) {
+        asic.im2 = false;
+        asic.serFlash = true;
+        asic.hasWorkingSPIReads = true;
+    } else { /* 83/84 CE */
+        asic.im2 = (asic.revision < ASIC_REV_I);
+        asic.serFlash = (asic.revision >= ASIC_REV_M);
+        asic.hasWorkingSPIReads = false;
+    }
 }
 
 void asic_init(void) {

core/bootver.c

@@ -1,18 +1,18 @@
 #include "bootver.h"
 
-static const boot_ver_t minRevA_CE = {   5,   0,   0,     0 }; /* Rev A */
+static const boot_ver_t minRev0_CE = {   5,   0,   0,     0 }; /* Rev pre-A */
 static const boot_ver_t minRevI_CE = {   5,   0,   0,     0 }; /* Rev I */
 static const boot_ver_t minRevM_CE = {   5,   3,   6,     0 }; /* Rev M */
-static const boot_ver_t minRevM_82 = {   5,   6,   3,     0 }; /* Rev pre-A of 82AEP, but otherwise the same JB-007 ASIC as M on CE */
-static const boot_ver_t maxRevA_CE = {   5,   3,   5, 65535 }; /* Rev A */
+static const boot_ver_t minRev0_82 = {   5,   6,   3,     0 }; /* Rev pre-A of 82AEP, but otherwise the same JB-007 ASIC as M on CE */
+static const boot_ver_t maxRev0_CE = {   5,   3,   5, 65535 }; /* Rev pre-A */
 static const boot_ver_t maxRevI_CE = {   5,   3,   5, 65535 }; /* Rev I */
 static const boot_ver_t maxRev     = { 255, 255, 255, 65535 }; /* Rev M */
 
 /* NULL means unsupported */
-static const boot_ver_t* asic_min_ver_8384CE[] = { &minRevA_CE, &minRevI_CE, &minRevM_CE };
-static const boot_ver_t* asic_max_ver_8384CE[] = { &maxRevA_CE, &maxRevI_CE, &maxRev };
-static const boot_ver_t* asic_min_ver_82AEP[]  = { NULL,        NULL,        &minRevM_82 };
-static const boot_ver_t* asic_max_ver_82AEP[]  = { NULL,        NULL,        &maxRev };
+static const boot_ver_t* asic_min_ver_8384CE[] = { &minRev0_CE, &minRevI_CE, &minRevM_CE };
+static const boot_ver_t* asic_max_ver_8384CE[] = { &maxRev0_CE, &maxRevI_CE, &maxRev };
+static const boot_ver_t* asic_min_ver_82AEP[]  = { &minRev0_82, NULL,        NULL };
+static const boot_ver_t* asic_max_ver_82AEP[]  = { &maxRev,     NULL,        NULL };
 
 static bool parse_entry(const uint8_t* data, uint32_t entry, uint32_t* addr) {
     if (entry + 4 >= SIZE_BOOTCODE) {