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move the program startup and cleanup machinery to the front of the program to keep it in system ram

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Irmen de Jong
2024-11-05 22:12:25 +01:00
parent a5c7393561
commit 491e5dbcfb
9 changed files with 38 additions and 33 deletions
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6
codeGenCpu6502/src/prog8/codegen/cpu6502/ProgramAndVarsGen.kt
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@@ -32,10 +32,6 @@ internal class ProgramAndVarsGen(
internal fun generate() {
header()
val allBlocks = program.allBlocks()
if(allBlocks.first().name != "p8b_main" && allBlocks.first().name != "main")
throw AssemblyError("first block should be 'main' or 'p8b_main'")
if(errors.noErrors()) {
program.allBlocks().forEach { block2asm(it) }
@@ -114,7 +110,7 @@ internal class ProgramAndVarsGen(
asmgen.out(" .word (+), $year")
asmgen.out(" .null $9e, format(' %d ', prog8_entrypoint), $3a, $8f, ' prog8'")
asmgen.out("+\t.word 0")
asmgen.out("prog8_entrypoint\t; assembly code starts here")
asmgen.out("prog8_entrypoint")
asmgen.out(" cld")
asmgen.out(" tsx ; save stackpointer for sys.exit()")
asmgen.out(" stx prog8_lib.orig_stackpointer")