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[virtualjaguar] / src / mmu.cpp

diff --git a/src/mmu.cpp b/src/mmu.cpp
index 9f9380e47c206c944175ac9b0b7440d6075d5c07..67c9b8ab7d7705f88c3c2ee2d0b394e08a956108 100644 (file)
--- a/src/mmu.cpp
+++ b/src/mmu.cpp
@@ -3,9 +3,9 @@
 //
 // Jaguar Memory Manager Unit
 //
-// by James L. Hammons
+// by James Hammons
 //
-// JLH = James L. Hammons
+// JLH = James Hammons <jlhamm@acm.org>
 //
 // WHO  WHEN        WHAT
 // ---  ----------  -----------------------------------------------------------
@@ -18,6 +18,7 @@
 #include "dac.h"
 //#include "jaguar.h"
 //#include "memory.h"
+#include "jagbios.h"
 #include "wavetable.h"
 
 /*
@@ -160,7 +161,7 @@ The approach here is to have a list of addresses and who handles them. Could be
 a one-to-one memory location up to a range for each function. Will look
 something like this:
 
-       { 0xF14000, 0xF14001, MM_IO, JoystickReadHanlder, JoystickWriteHandler },
+       { 0xF14000, 0xF14001, MM_IO, JoystickReadHandler, JoystickWriteHandler },
 
 Would be nice to have a way of either calling a handler function or reading/writing
 directly to/from a variable or array...
@@ -211,7 +212,7 @@ MemDesc memoryMap[] = {
        { 0xDFFF28, 0xDFFF2B, MM_IO,   &i2sdat2 }, // i2s FIFO data (old)
        { 0xDFFF2C, 0xDFFF2F, MM_IO,   &unknown }, // Seems to be some sort of I2S interface
 
-       { 0xE00000, 0xE3FFFF, MM_ROM,  jaguarBootROM },
+       { 0xE00000, 0xE1FFFF, MM_ROM,  jaguarBootROM },
 
        // TOM REGISTERS
 
@@ -250,9 +251,11 @@ MemDesc memoryMap[] = {
        { 0xF00058, 0xF0005B, MM_IO_W, &bg }, // BG                     Background Colour                                       F00058          WO
        { 0xF000E0, 0xF000E1, MM_IO,   &int1 }, // INT1         CPU Interrupt Control Register          F000E0          RW
        { 0xF000E2, 0xF000E3, MM_IO_W, &int2 }, // INT2         CPU Interrupt Resume Register           F000E2          WO
-       { 0xF00400, 0xF005FF, MM_RAM,  &clut }, // CLUT         Colour Look-Up Table                            F00400-7FE      RW
-       { 0xF00600, 0xF007FF, MM_RAM,  &clut },
-       { 0xF00800, 0xF01D9F, MM_RAM,  &lbuf }, // LBUF         Line Buffer                                                     F00800-1D9E     RW
+//Some of these RAM spaces may be 16- or 32-bit only... in which case, we need
+//to cast appropriately (in memory.cpp, that is)...
+       { 0xF00400, 0xF005FF, MM_RAM,  clut }, // CLUT          Colour Look-Up Table                            F00400-7FE      RW
+       { 0xF00600, 0xF007FF, MM_RAM,  clut },
+       { 0xF00800, 0xF01D9F, MM_RAM,  lbuf }, // LBUF          Line Buffer                                                     F00800-1D9E     RW
 //Need high speed RAM interface for GPU & DSP (we have it now...)
 
        // GPU REGISTERS
@@ -320,7 +323,7 @@ MemDesc memoryMap[] = {
 
        // JERRY REGISTERS
 
-       { 0xF10000, 0xF10002, MM_IO_W, &jpit1 }, // JPIT1               Timer 1 Pre-scaler                                      F10000          WO
+       { 0xF10000, 0xF10001, MM_IO_W, &jpit1 }, // JPIT1               Timer 1 Pre-scaler                                      F10000          WO
        { 0xF10002, 0xF10003, MM_IO_W, &jpit2 }, // JPIT2               Timer 1 Divider                                         F10002          WO
        { 0xF10004, 0xF10005, MM_IO_W, &jpit3 }, // JPIT3               Timer 2 Pre-scaler                                      F10004          WO
        { 0xF10006, 0xF10007, MM_IO_W, &jpit4 }, // JPIT4               Timer 2 Divider                                         F10006          WO