runrom: add the --until-address option

This allows the user to run execution until a given address is
reached. This can, like with the --start option, be coupled with the
--nasm option in order to be able to provide an identifier instead of a
regular hexadecimal value.

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>

1 files changed, 1 insertions, 15 deletions

diff --git a/lib/vnf/src/lib.rs b/lib/vnf/src/lib.rs
index d118157..349548a 100644
--- a/lib/vnf/src/lib.rs
+++ b/lib/vnf/src/lib.rs
@@ -183,7 +183,7 @@ pub struct Machine {
     /// Whether the machine is supposed to be running just a function (while
     /// also going into inner calls). Hence, it will stop whenever an 'rts' or
     /// 'rti' instruction is found at the top level.
-    run_function_mode: bool,
+    pub run_function_mode: bool,
 
     /// The PRG ROM pool of bytes.
     pub prg_rom: Vec<u8>,
@@ -554,20 +554,6 @@ impl Machine {
         Ok(())
     }
 
-    /// Run a top-level function. That is, assume that the current 'start'
-    /// address is the start of a function, and keep on iterating the machine
-    /// until an 'rts'/'rti' instruction is found at the top-level (we still
-    /// allow inner calls).
-    pub fn run_function(&mut self) -> Result<(), String> {
-        self.run_function_mode = true;
-
-        while self.active {
-            self.next_iteration()?;
-        }
-
-        Ok(())
-    }
-
     /// Run until the program counter reaches the given 'address'.
     pub fn until_address(&mut self, address: u16) -> Result<(), String> {
         while self.pc != address as usize {