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fix asmgen for call $3000

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This commit is contained in:
Irmen de Jong 2024-12-13 22:33:26 +01:00
parent 1679ca79b4
commit 697d54e10a
3 changed files with 8 additions and 6 deletions
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4
codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt
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@ -74,12 +74,14 @@ class AsmGen6502(val prefixSymbols: Boolean, private val lastGeneratedLabelSeque
} }
} }
is PtJump -> { is PtJump -> {
if(node.address==null) {
val stNode = st.lookup(node.identifier!!.name) ?: throw AssemblyError("name not found ${node.identifier}") val stNode = st.lookup(node.identifier!!.name) ?: throw AssemblyError("name not found ${node.identifier}")
if(stNode.astNode.definingBlock()?.options?.noSymbolPrefixing!=true) { if (stNode.astNode.definingBlock()?.options?.noSymbolPrefixing != true) {
val index = node.parent.children.indexOf(node) val index = node.parent.children.indexOf(node)
nodesToPrefix += node.parent to index nodesToPrefix += node.parent to index
} }
} }
}
is PtBlock -> prefixNamedNode(node) is PtBlock -> prefixNamedNode(node)
is PtConstant -> prefixNamedNode(node) is PtConstant -> prefixNamedNode(node)
is PtLabel -> prefixNamedNode(node) is PtLabel -> prefixNamedNode(node)

2
compiler/test/TestScoping.kt
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@ -364,7 +364,7 @@ class TestScoping: FunSpec({
} }
} }
""" """
compileText(C64Target(), false, text, writeAssembly = false) shouldNotBe null compileText(C64Target(), false, text, writeAssembly = true) shouldNotBe null
} }
test("various wrong goto targets") { test("various wrong goto targets") {

2
docs/source/programming.rst
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@ -1001,7 +1001,7 @@ Normally, every subroutine parameter will get its own local variable in the subr
will be stored when the subroutine is called. In certain situations, this may lead to many variables being allocated. will be stored when the subroutine is called. In certain situations, this may lead to many variables being allocated.
You *can* instruct the compiler to not allocate a new variable, but instead to reuse one of the *virtual registers* R0-R15 You *can* instruct the compiler to not allocate a new variable, but instead to reuse one of the *virtual registers* R0-R15
(accessible in the code as ``cx16.r0`` - ``cx16.r15``) for the parameter. This is done by adding a ``@Rx`` tag (accessible in the code as ``cx16.r0`` - ``cx16.r15``) for the parameter. This is done by adding a ``@Rx`` tag
to the parameter. This can only be done for byte and word types. to the parameter. This can only be done for booleans, byte, and word types.
Note: the R0-R15 *virtual registers* are described in more detail below for the Assembly subroutines. Note: the R0-R15 *virtual registers* are described in more detail below for the Assembly subroutines.
Here's an example that reuses the R0 and the R1L (lower byte of R1) virtual registers for the paremeters:: Here's an example that reuses the R0 and the R1L (lower byte of R1) virtual registers for the paremeters::