dergrimm/hence
1
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add working macro system

Browse source
This commit is contained in:
Dominic Grimm 2022-09-02 11:33:46 +02:00
parent 6adb943754
commit 1ff9a6c44b
No known key found for this signature in database
GPG key ID: A6C051C716D2CE65
19 changed files with 1258 additions and 571 deletions
Download patch file Download diff file Expand all files Collapse all files

74
examples/forth.asm
View file

@ -1,74 +0,0 @@
; hence core lib
core:
core_mem:
.define CORE_MEM_PRG, (0 * 1024)
.define CORE_MEM_ST, (32 * 1024)
.define CORE_MEM_MEM, (40 * 1024)
.define CORE_MEM_OUT, (56 * 1024)
.define CORE_MEM_CHR, (56 * 1024 + 1)
.define CORE_MEM_KEY, (56 * 1024 + 2)
core_reg:
.define CORE_REG_PC, 0x0
.define CORE_REG_OPC, 0x1
.define CORE_REG_ARG, 0x2
.define CORE_REG_S, 0x3
.define CORE_REG_SP, 0x4
.define CORE_REG_A, 0x5
.define CORE_REG_B, 0x6
.define CORE_REG_C, 0x7
.define CORE_REG_D, 0x8
core_alu:
.define CORE_ALU_NOT, 0x00
.define CORE_ALU_AND, 0x01
.define CORE_ALU_OR, 0x02
.define CORE_ALU_XOR, 0x03
.define CORE_ALU_LSH, 0x04
.define CORE_ALU_RSH, 0x05
.define CORE_ALU_ADD, 0x06
.define CORE_ALU_SUB, 0x07
.define CORE_ALU_MUL, 0x08
.define CORE_ALU_DIV, 0x09
.define CORE_ALU_CMP, 0x0a
.define CORE_ALU_EQ, 0x0b
.define CORE_ALU_LT, 0x0c
.define CORE_ALU_GT, 0x0d
.define CORE_ALU_LEQ, 0x0e
.define CORE_ALU_GEQ, 0x0f
.define CORE_ALU_BOL, 0x10
.define CORE_ALU_INV, 0x11
.define CORE_ALU_RND, 0x12
; hence standard lib
STD:
.define STD_U8_MAX, 0xff
.define STD_U16_MAX, 0xffff
.macro std_stop
ts 0xffff
tlr CORE_REG_PC
.macroend
forth:
.define FORTH_MEM_INPUT_SIZE, 16
.define FORTH_MEM_INPUT_DYN_SIZE, CORE_MEM_MEM
.define FORTH_MEM_INPUT_START, (FORTH_MEM_INPUT_DYN_SIZE + 1)
.define FORTH_MEM_INPUT_END, (FORTH_MEM_INPUT_START + FORTH_MEM_INPUT_SIZE)
.define jump_main, (CORE_MEM_ST - 3 - 1)
ts jump_main
tlr CORE_REG_PC
main:
dbg
; set PC to maximum for u16 and therefore stops program execution
ts 0xffff ; load 0xffff into TMP
tlr CORE_REG_PC ; store value of TMP into register PC
.org jump_main
ts main
tlr CORE_REG_PC

BIN
examples/forth.bin
View file

Binary file not shown.