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-rw-r--r--engines/sci/engine/vm.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/engines/sci/engine/vm.cpp b/engines/sci/engine/vm.cpp
index 903c4a9a78..db45a087fa 100644
--- a/engines/sci/engine/vm.cpp
+++ b/engines/sci/engine/vm.cpp
@@ -832,12 +832,14 @@ void run_vm(EngineState *s, bool restoring) {
#ifndef DISABLE_VALIDATIONS
if (scriptState.xs->sp < scriptState.xs->fp)
- error("run_vm(): stack underflow");
+ error("run_vm(): stack underflow, sp: %04x:%04x, fp: %04x:%04x",
+ PRINT_REG(*scriptState.xs->sp), PRINT_REG(*scriptState.xs->fp));
scriptState.variables_max[VAR_TEMP] = scriptState.xs->sp - scriptState.xs->fp;
if (scriptState.xs->addr.pc.offset >= code_buf_size)
- error("run_vm(): program counter gone astray");
+ error("run_vm(): program counter gone astray, addr: %d, code buffer size: %d",
+ scriptState.xs->addr.pc.offset, code_buf_size);
#endif
// Get opcode