small fixes

This commit is contained in:
Piotr Jaczewski 2020-09-27 21:24:00 +02:00
parent 0bd0a220b3
commit 65b2c0371f
3 changed files with 22 additions and 11 deletions

View File

@ -10,7 +10,7 @@ if __name__ == "__main__":
def print_row(offset, row_data):
print(hex(offset)[2:].upper() + ': ' + " ".join(row_data))
row_offset = int(sys.argv[1], 0)
row_offset = int(sys.argv[1], 16)
row = list()
with open(sys.argv[2], 'rb') as file:
byte = file.read(1)

View File

@ -38,6 +38,9 @@
start
; clear decimal mode
cld
; enable rom bank
sta rom_bank

View File

@ -6,6 +6,12 @@ rom_content = $4800
number_of_entries .byt $05
/*
How to store INTEGER BASIC programs?
C100R
004A.00FFW 0800.0FFFW
E2B3R - warm entry point
*/
basic
basic_seg .byt $01
basic_len .word $1000
@ -22,9 +28,10 @@ apple30th_cont_start .word apple30th_cont
apple30th_str .byt $13,"APPLE 30TH BIRTHDAY"
apple30th_jmp_addr .word $0280
/* 00: <start_low_byte> <start_high_byte> <end_low_byte> <end_high_byte> */
/* test address expected actual */
/*
00: <start_low_byte> <start_high_byte> <end_low_byte> <end_high_byte>
test address expected actual
0 - All zeros - each byte of memory is verified that a 0x00 value can be written and read
1 - All ones - each byte of memory is verified that a 0xff value can be written and read
2 - Floating ones - eight passes, starting with 0x01 and moving the 1 bit to left each succeeding pass
@ -48,8 +55,9 @@ memorytest_2_cont_start .word memorytest_cont+16
memorytest_str .byt $10,"MEMORY TEST 280R"
memorytest_jmp_addr .word $FF1F
/* 44: <low_byte> <high_byte> */
/*
44: <low_byte> <high_byte> - disassembler start address
*/
disassembler
disassembler_seg .byt $01
disassembler_1_len .word $0200