From cad4f5081aa0eea8a14d9e32e70f499a9437f3dc Mon Sep 17 00:00:00 2001
From: Paul Mathieu <paul@ponteilla.net>
Date: Fri, 3 Oct 2025 23:31:43 +0200
Subject: [PATCH] Exit wozmon

---
 src/Makefile  | 14 +-------
 src/polmon.cc | 89 ---------------------------------------------------
 2 files changed, 1 insertion(+), 102 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index 8a92376..7a43b09 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -20,8 +20,7 @@ LDFLAGS = -mregparmcall -Wl,--gc-sections -Os -nostdlib -flto
 %.com: %.elf
 	ia16-elf-objcopy -O binary $< $@
 
-bootsectors = fat12boot.bin wozmon.bin
-$(bootsectors):
+fat12boot.bin:
 	ia16-elf-objcopy -O binary $< $@
 
 fat12boot.elf: fat12boot.o fat12.o bootsect.S
@@ -37,17 +36,6 @@ polmon.elf: polmon.o stdlib.o
 polio.elf: LDFLAGS += -T flat0600.ld
 polio.elf: polio-main.o polio.s fat12.o paracomm.o stdlib.o
 
-wozmon.o: polmon.cc
-wozmon.o: CPPFLAGS = -DWOZMON=1
-wozmon.o:
-	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c -o $@ $<
-
-wozmon.elf: wozmon.o bootsect.S
-wozmon.elf: LDFLAGS += -T bootsect.ld
-wozmon.elf: CPPFLAGS += -DNOBPB
-
-wozmon.bin: wozmon.elf
-
 paracli.elf: LDFLAGS += -T doscom.ld
 paracli.elf: paracli.s paracomm.o
 
diff --git a/src/polmon.cc b/src/polmon.cc
index a11c3fe..1809a0d 100644
--- a/src/polmon.cc
+++ b/src/polmon.cc
@@ -2,77 +2,8 @@
 #include <cstdio>
 #include <cstring>
 
-#ifndef WOZMON
-#define WOZMON 0
-#endif
-
-#if WOZMON
-#define BACKSPACE 0
-#define ASCIIDUMP 0
-#define CLEARSCREENCMD 0
-#define INT80H 0
-#define SHOWTITLE 0
-#define BOOTSTRAP 0
-#define LAUNCH 0
-#define CTRLBREAK 0
-#endif  // WOZMON
-
-#ifndef BACKSPACE
-#define BACKSPACE 1
-#endif
-
-#ifndef ASCIIDUMP
-#define ASCIIDUMP 1
-#endif
-
-#ifndef CLEARSCREENCMD
-#define CLEARSCREENCMD 1
-#endif
-
-#ifndef INT80H
-#define INT80H 1
-#endif
-
-#ifndef SHOWTITLE
-#define SHOWTITLE 1
-#endif
-
-#ifndef BOOTSTRAP
-#define BOOTSTRAP 1
-#endif
-
-#ifndef LAUNCH
-#define LAUNCH 1
-#endif
-
-#ifndef CTRLBREAK
-#define CTRLBREAK 1
-#endif
-
 namespace {
 
-#if WOZMON
-
-int getchar() {
-    register char c asm("al");
-    asm volatile("movb $0x00, %%ah\n\t"
-                 "int $0x16"
-                 : "=r"(c)::"ah", "cc");
-    return c;
-}
-
-void putchar(int c) {
-    asm volatile("push %%bp          \n\t"
-                 "mov %0, %%ax       \n\t"
-                 "movb $0x0e, %%ah   \n\t"
-                 "movb $0, %%bh      \n\t"
-                 "int $0x10          \n\t"
-                 "pop %%bp           \n\t" ::"r"(c)
-                 : "ax", "bh", "cc");
-}
-
-#endif  // WOZMON
-
 constexpr int kDumpSize = 16;
 
 // arguments on the stack in reverse order
@@ -173,7 +104,6 @@ void Dump(uint16_t addr, uint16_t seg, int count) {
         uint8_t d = __get_far_u8__(addr + i, seg);
         WriteUint8(d);
     }
-#if ASCIIDUMP
     putchar(' ');
     putchar(' ');
     for (int i = 0; i < count; i++) {
@@ -184,7 +114,6 @@ void Dump(uint16_t addr, uint16_t seg, int count) {
             putchar('.');
         }
     }
-#endif
 }
 
 void DumpHex(uint16_t addr, uint16_t seg) {
@@ -286,8 +215,6 @@ void LaunchFile(const char* name) {
                  : "ax", "bx", "cx", "dx", "memory");
 }
 
-#if CTRLBREAK
-
 constexpr uint16_t kCtrlBreakVector = (0x1b * 4);
 
 extern "C" void cbreak();
@@ -313,8 +240,6 @@ void InstallCtrlBreak() {
     vec[1] = 0;
 }
 
-#endif  // CTRLBREAK
-
 bool ParseCommand(const char* buf, uint16_t& cur_addr, uint16_t& cur_seg) {
     bool dump = true;
     for (const char* ptr = buf; *ptr;) {
@@ -332,7 +257,6 @@ bool ParseCommand(const char* buf, uint16_t& cur_addr, uint16_t& cur_seg) {
             WriteUint16(ret);
             putchar('\r');
             putchar('\n');
-#if INT80H
         } else if (*ptr == 'i') {
             dump = false;
             int nargs = 0;
@@ -355,14 +279,10 @@ bool ParseCommand(const char* buf, uint16_t& cur_addr, uint16_t& cur_seg) {
             WriteUint16(ret);
             putchar('\r');
             putchar('\n');
-#endif  // INT80H
-#if CLEARSCREENCMD
         } else if (*ptr == 'l') {
             dump = false;
             ClearScreen();
             ptr++;
-#endif  // CLEARSCREENCMD
-#if LAUNCH
         } else if (*ptr == 'r') {
             dump = false;
             ptr++;
@@ -374,7 +294,6 @@ bool ParseCommand(const char* buf, uint16_t& cur_addr, uint16_t& cur_seg) {
             }
             LaunchFile(ptr);
             ptr += l;
-#endif  // LAUNCH
         } else if (*ptr == 'w') {
             dump = false;
             uint16_t addr = cur_addr;
@@ -410,9 +329,7 @@ void polmon() {
     char* inptr = inbuf;
 
     ClearScreen();
-#if SHOWTITLE
     puts("PolMon for Workgroups 3.1\r\n");
-#endif  // SHOWTITLE
     DisplayPrompt();
 
     while (1) {
@@ -434,7 +351,6 @@ void polmon() {
             first = false;
             inptr = inbuf;
             DisplayPrompt();
-#if BACKSPACE
         } else if (c == kBackspace || c == kOtherBackspace) {
             inptr--;
             if (inptr < inbuf) {
@@ -444,7 +360,6 @@ void polmon() {
             }
             putchar(' ');
             putchar(kOtherBackspace);
-#endif
         } else {
             *inptr = c;
             inptr++;
@@ -455,15 +370,11 @@ void polmon() {
 }  // namespace
 
 int main() {
-#if CTRLBREAK
     InstallCtrlBreak();
-#endif  // CTRLBREAK
     polmon();
 }
 
-#if BOOTSTRAP
 __attribute__((section(".init"), noreturn, used)) void _start() {
     main();
     __builtin_unreachable();
 }
-#endif  // BOOTSTRAP