Andromeda/bootler
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change token table entries, remove temporary file :shame:

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andromeda
2026-03-08 11:15:05 +01:00
parent d90c39b6bc
commit f4cadcfff9
3 changed files with 8 additions and 9 deletions
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twasm/.bootle/disk
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10
twasm/README.md
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@@ -35,11 +35,11 @@ each word represents a token on the token table.
each token gets loaded into the token table with the following form: each token gets loaded into the token table with the following form:
``` ```
+----------+----------+ +----------+
| 31 16 | 15 0 | | 15 0 |
+----------+----------+ +----------+
| reserved | token id | | token id |
+----------+----------+ +----------+
``` ```
### token IDs ### token IDs

7
twasm/asm/main.asm
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@@ -5,8 +5,8 @@ TEST_ARENA_SIZE equ 0x1000 ; maximum size tests can use
TOKEN_TABLE_ADDR equ 0x00060000 ; address the token table is loaded at TOKEN_TABLE_ADDR equ 0x00060000 ; address the token table is loaded at
TOKEN_TABLE_SIZE equ 0x1000 ; max length of table TOKEN_TABLE_SIZE equ 0x1000 ; max length of table
TOKEN_TABLE_ENTRY_SIZE equ 8 ; size of token table entry; a LOT of things TOKEN_TABLE_ENTRY_SIZE equ 2 ; size of token table entry; things may break
; may break if this ever changes ; if this ever changes
OUTPUT_ADDR equ 0x00070000 ; address of outputed binary OUTPUT_ADDR equ 0x00070000 ; address of outputed binary
OUTPUT_SIZE equ 0x1000 ; max length of outputed binary OUTPUT_SIZE equ 0x1000 ; max length of outputed binary
@@ -84,10 +84,9 @@ tokenise:
mov edx, 1 ; byte length is 1 mov edx, 1 ; byte length is 1
.continue: .continue:
add rdi, rdx ; current byte + length of token = next unread byte add rdi, rdx ; current byte + length of token = next unread byte
mov [TOKEN_TABLE_ADDR + rcx * TOKEN_TABLE_ENTRY_SIZE], rax ; fill next entry mov [TOKEN_TABLE_ADDR + rcx * TOKEN_TABLE_ENTRY_SIZE], ax ; fill next entry
; in token table ; in token table
inc rcx ; +1 token processed inc rcx ; +1 token processed
jmp .loop jmp .loop