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author AJR <ajrhacker@users.noreply.github.com>2020-09-25 23:01:33 -0400
committer AJR <ajrhacker@users.noreply.github.com>2020-09-25 23:01:33 -0400
commit98f6fde10432ef298ebf6ff3f86b707e4639560a (patch)
treef2d13b042bc7637a6be622e3371270be86d9754e /src/emu/debug
parent78612bd01fca8ce254819cfbe2a4732cc4ebecb6 (diff)
Add abs, bit, s8, s16, s32 functions to debugger
Diffstat (limited to 'src/emu/debug')
-rw-r--r--src/emu/debug/debugcmd.cpp76
-rw-r--r--src/emu/debug/debugcmd.h5
2 files changed, 72 insertions, 9 deletions
diff --git a/src/emu/debug/debugcmd.cpp b/src/emu/debug/debugcmd.cpp
index c6dda192e59..a620d5555d3 100644
--- a/src/emu/debug/debugcmd.cpp
+++ b/src/emu/debug/debugcmd.cpp
@@ -122,6 +122,11 @@ debugger_commands::debugger_commands(running_machine& machine, debugger_cpu& cpu
symtable.add("min", 2, 2, std::bind(&debugger_commands::execute_min, this, _1, _2));
symtable.add("max", 2, 2, std::bind(&debugger_commands::execute_max, this, _1, _2));
symtable.add("if", 3, 3, std::bind(&debugger_commands::execute_if, this, _1, _2));
+ symtable.add("abs", 1, 1, std::bind(&debugger_commands::execute_abs, this, _1, _2));
+ symtable.add("bit", 2, 3, std::bind(&debugger_commands::execute_bit, this, _1, _2));
+ symtable.add("s8", 1, 1, std::bind(&debugger_commands::execute_s8, this, _1, _2));
+ symtable.add("s16", 1, 1, std::bind(&debugger_commands::execute_s16, this, _1, _2));
+ symtable.add("s32", 1, 1, std::bind(&debugger_commands::execute_s32, this, _1, _2));
symtable.add("cpunum", std::bind(&debugger_commands::get_cpunum, this));
/* add all single-entry save state globals */
@@ -322,9 +327,9 @@ debugger_commands::debugger_commands(running_machine& machine, debugger_cpu& cpu
m_cheat.cpu[0] = m_cheat.cpu[1] = 0;
}
-/*-------------------------------------------------
- execute_min - return the minimum of two values
--------------------------------------------------*/
+//-------------------------------------------------
+// execute_min - return the minimum of two values
+//-------------------------------------------------
u64 debugger_commands::execute_min(int params, const u64 *param)
{
@@ -332,9 +337,9 @@ u64 debugger_commands::execute_min(int params, const u64 *param)
}
-/*-------------------------------------------------
- execute_max - return the maximum of two values
--------------------------------------------------*/
+//-------------------------------------------------
+// execute_max - return the maximum of two values
+//-------------------------------------------------
u64 debugger_commands::execute_max(int params, const u64 *param)
{
@@ -342,9 +347,9 @@ u64 debugger_commands::execute_max(int params, const u64 *param)
}
-/*-------------------------------------------------
- execute_if - if (a) return b; else return c;
--------------------------------------------------*/
+//-------------------------------------------------
+// execute_if - if (a) return b; else return c;
+//-------------------------------------------------
u64 debugger_commands::execute_if(int params, const u64 *param)
{
@@ -353,6 +358,59 @@ u64 debugger_commands::execute_if(int params, const u64 *param)
//-------------------------------------------------
+// execute_abs - return the absolute value
+//-------------------------------------------------
+
+u64 debugger_commands::execute_abs(int params, const u64 *param)
+{
+ return std::abs(s64(param[0]));
+}
+
+
+//-------------------------------------------------
+// execute_bit - extract bit field from value
+//-------------------------------------------------
+
+u64 debugger_commands::execute_bit(int params, const u64 *param)
+{
+ if (params == 2)
+ return BIT(param[0], param[1]);
+ else
+ return BIT(param[0], param[1], param[2]);
+}
+
+
+//-------------------------------------------------
+// execute_s8 - sign-extend from 8 bits
+//-------------------------------------------------
+
+u64 debugger_commands::execute_s8(int params, const u64 *param)
+{
+ return s8(param[0]);
+}
+
+
+//-------------------------------------------------
+// execute_s16 - sign-extend from 16 bits
+//-------------------------------------------------
+
+u64 debugger_commands::execute_s16(int params, const u64 *param)
+{
+ return s16(param[0]);
+}
+
+
+//-------------------------------------------------
+// execute_s32 - sign-extend from 32 bits
+//-------------------------------------------------
+
+u64 debugger_commands::execute_s32(int params, const u64 *param)
+{
+ return s32(param[0]);
+}
+
+
+//-------------------------------------------------
// get_cpunum - getter callback for the
// 'cpunum' symbol
//-------------------------------------------------
diff --git a/src/emu/debug/debugcmd.h b/src/emu/debug/debugcmd.h
index dad1979da39..e2ebec7e2fc 100644
--- a/src/emu/debug/debugcmd.h
+++ b/src/emu/debug/debugcmd.h
@@ -87,6 +87,11 @@ private:
u64 execute_min(int params, const u64 *param);
u64 execute_max(int params, const u64 *param);
u64 execute_if(int params, const u64 *param);
+ u64 execute_abs(int params, const u64 *param);
+ u64 execute_bit(int params, const u64 *param);
+ u64 execute_s8(int params, const u64 *param);
+ u64 execute_s16(int params, const u64 *param);
+ u64 execute_s32(int params, const u64 *param);
u64 get_cpunum();
u64 global_get(global_entry *global);