diff options
Diffstat (limited to 'tools/OS/Memory.vm')
| -rw-r--r-- | tools/OS/Memory.vm | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/tools/OS/Memory.vm b/tools/OS/Memory.vm new file mode 100644 index 0000000..5d42aad --- /dev/null +++ b/tools/OS/Memory.vm @@ -0,0 +1,279 @@ +function Memory.init 0
+push constant 0
+pop static 0
+push constant 2048
+push static 0
+add
+push constant 14334
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 2049
+push static 0
+add
+push constant 2050
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function Memory.peek 0
+push argument 0
+push static 0
+add
+pop pointer 1
+push that 0
+return
+function Memory.poke 0
+push argument 0
+push static 0
+add
+push argument 1
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 0
+return
+function Memory.alloc 1
+push argument 0
+push constant 1
+lt
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 5
+call Sys.error 1
+pop temp 0
+label IF_FALSE0
+push constant 2048
+pop local 0
+label WHILE_EXP0
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+lt
+not
+if-goto WHILE_END0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop local 0
+goto WHILE_EXP0
+label WHILE_END0
+push local 0
+push argument 0
+add
+push constant 16379
+gt
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 6
+call Sys.error 1
+pop temp 0
+label IF_FALSE1
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+push constant 2
+add
+gt
+if-goto IF_TRUE2
+goto IF_FALSE2
+label IF_TRUE2
+push argument 0
+push constant 2
+add
+push local 0
+add
+push constant 0
+push local 0
+add
+pop pointer 1
+push that 0
+push argument 0
+sub
+push constant 2
+sub
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+push constant 2
+add
+eq
+if-goto IF_TRUE3
+goto IF_FALSE3
+label IF_TRUE3
+push argument 0
+push constant 3
+add
+push local 0
+add
+push local 0
+push argument 0
+add
+push constant 4
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END3
+label IF_FALSE3
+push argument 0
+push constant 3
+add
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END3
+push constant 1
+push local 0
+add
+push local 0
+push argument 0
+add
+push constant 2
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_FALSE2
+push constant 0
+push local 0
+add
+push constant 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push local 0
+push constant 2
+add
+return
+function Memory.deAlloc 2
+push argument 0
+push constant 2
+sub
+pop local 0
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+pop local 1
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+push constant 0
+eq
+if-goto IF_TRUE0
+goto IF_FALSE0
+label IF_TRUE0
+push constant 0
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+sub
+push constant 2
+sub
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END0
+label IF_FALSE0
+push constant 0
+push local 0
+add
+push constant 1
+push local 0
+add
+pop pointer 1
+push that 0
+push local 0
+sub
+push constant 0
+push local 1
+add
+pop pointer 1
+push that 0
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+push local 1
+push constant 2
+add
+eq
+if-goto IF_TRUE1
+goto IF_FALSE1
+label IF_TRUE1
+push constant 1
+push local 0
+add
+push local 0
+push constant 2
+add
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+goto IF_END1
+label IF_FALSE1
+push constant 1
+push local 0
+add
+push constant 1
+push local 1
+add
+pop pointer 1
+push that 0
+pop temp 0
+pop pointer 1
+push temp 0
+pop that 0
+label IF_END1
+label IF_END0
+push constant 0
+return
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